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DaoImpl.java

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using MyTech.CodeGenerator.Utils;
  6 
  7 class DaoImpl
  8 {
  9     public static string execute(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
 10     {
 11         string codeStr = "";
 12         codeStr += classHeader(appSettings, listColumnInfo) + "
";
 13         codeStr += "
";
 14         codeStr += xxxRowMapper(appSettings, listColumnInfo) + "
";
 15         codeStr += "
";
 16         codeStr += selectByPk(appSettings, listColumnInfo) + "
";
 17         codeStr += "
";
 18         codeStr += selectAll(appSettings, listColumnInfo) + "
";
 19         codeStr += "
";
 20         codeStr += selectList(appSettings, listColumnInfo) + "
";
 21         codeStr += "
";
 22         codeStr += count(appSettings, listColumnInfo) + "
";
 23         codeStr += "
";
 24         codeStr += selectPaging(appSettings, listColumnInfo) + "
";
 25         codeStr += "
";
 26         codeStr += insert(appSettings, listColumnInfo) + "
";
 27         codeStr += "
";
 28         codeStr += insertSelective(appSettings, listColumnInfo) + "
";
 29         codeStr += "
";
 30         codeStr += update(appSettings, listColumnInfo) + "
";
 31         codeStr += "
";
 32         codeStr += updateSelective(appSettings, listColumnInfo) + "
";
 33         codeStr += "
";
 34         codeStr += delete(appSettings, listColumnInfo) + "
";
 35         codeStr += "
";
 36         codeStr += delete__batch(appSettings, listColumnInfo) + "
";
 37 
 38         codeStr += "}";
 39         
 40         //Console.WriteLine("Hello World, from internal!" + listColumnInfo.Count);
 41         //for(int i=0; i<listColumnInfo.Count; i++)
 42         //{
 43         //    codeStr += TypeConverterForJava.SqlType2JavaDeclare(listColumnInfo[i].DataType) + " " + listColumnInfo[i].Name + ";
";
 44         //    
 45         //}
 46         
 47         
 48         
 49         return codeStr;
 50     }
 51     
 52     public static string classHeader(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
 53     {
 54         StringBuilder sb = new StringBuilder();
 55         
 56         sb.AppendLine("package " + appSettings.NamespaceString + ".dao.impl;");
 57         sb.AppendLine("");
 58         sb.AppendLine("import " + appSettings.NamespaceString + ".dao." + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix)+ "Dao;");
 59         sb.AppendLine("import " + appSettings.NamespaceString + ".model." + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + ";");
 60         sb.AppendLine("import com.ydtech.common.web.paging.PageResult;");
 61         sb.AppendLine("import com.github.drinkjava2.jdialects.Dialect;");
 62         sb.AppendLine("import org.springframework.beans.factory.annotation.Autowired;");
 63         sb.AppendLine("import org.springframework.jdbc.core.JdbcTemplate;");
 64         sb.AppendLine("import org.springframework.jdbc.core.PreparedStatementCreator;");
 65         sb.AppendLine("import org.springframework.jdbc.core.RowMapper;");
 66         sb.AppendLine("import org.springframework.jdbc.support.GeneratedKeyHolder;");
 67         sb.AppendLine("import org.springframework.jdbc.support.KeyHolder;");
 68         sb.AppendLine("import org.springframework.stereotype.Repository;");
 69         sb.AppendLine("");
 70         sb.AppendLine("");
 71         sb.AppendLine("import javax.sql.DataSource;");
 72         sb.AppendLine("import java.sql.Connection;");
 73         sb.AppendLine("import java.sql.PreparedStatement;");
 74         sb.AppendLine("import java.sql.ResultSet;");
 75         sb.AppendLine("import java.sql.SQLException;");
 76         sb.AppendLine("");
 77         sb.AppendLine("" + GetImports(listColumnInfo) + "");
 78         sb.AppendLine("import java.util.List;");
 79         sb.AppendLine("import java.util.ArrayList;");
 80         sb.AppendLine("");
 81         sb.AppendLine("");
 82         sb.AppendLine("@Repository");
 83         sb.AppendLine("public class " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "DaoImpl implements " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "Dao{");
 84         sb.AppendLine("");
 85         sb.AppendLine("    @Autowired");
 86         sb.AppendLine("    public DataSource dataSource;");
 87 
 88 
 89         return sb.ToString();
 90     }
 91     
 92     public static string xxxRowMapper(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
 93     {
 94         StringBuilder sb = new StringBuilder();
 95         
 96         sb.AppendLine("    public static class  " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "RowMapper implements RowMapper {");
 97         sb.AppendLine("        public  " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " mapRow(ResultSet resultSet, int rowNum) throws SQLException {");
 98         sb.AppendLine("            " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " model = new " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " ();");
 99         sb.AppendLine("");
100         sb.AppendLine("            " + GetSelectProcessRow(appSettings, listColumnInfo) + ";");
101         sb.AppendLine();
102         sb.AppendLine("            return model;");
103         sb.AppendLine("        }");
104         sb.AppendLine("    }");
105         sb.AppendLine("    ");
106 
107         return sb.ToString();
108     }
109     
110     public static string selectByPk(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
111     {
112         StringBuilder sb = new StringBuilder();
113       
114         sb.AppendLine("    @Override");
115         sb.AppendLine("    public " + GetClassName(appSettings, listColumnInfo) + " selectByPk(" + GetSelectByPkFunctionSignature(appSettings, listColumnInfo) + "){");
116         sb.AppendLine("        String sql = " select " + GetSelectFields(appSettings, listColumnInfo) + " where " +GetSelectByPkWhere(appSettings, listColumnInfo) + " " ;");
117         sb.AppendLine("");
118         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
119         sb.AppendLine("");
120         sb.AppendLine("        List<" + GetClassName(appSettings, listColumnInfo) + "> ls = jdbcTemplate.query(sql, new Object[] { " + GetSelectByPkParams(appSettings, listColumnInfo) + " }, new " + GetClassName(appSettings, listColumnInfo) + "RowMapper()))");
121         sb.AppendLine("");
122         sb.AppendLine("        if(ls!=null && ls.size()>0){");
123         sb.AppendLine("            return ls.get(0);");
124         sb.AppendLine("        }");
125         sb.AppendLine("");
126         sb.AppendLine("        return null;");
127         sb.AppendLine("    }");
128 
129 
130         return sb.ToString();
131     }
132     
133     public static string selectAll(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
134     {
135         StringBuilder sb = new StringBuilder();
136       
137         sb.AppendLine("    @Override");
138         sb.AppendLine("    public List<" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "> selectAll( ){");
139         sb.AppendLine("        String sql = "select " + GetSelectFields(appSettings,listColumnInfo) + "";");
140         sb.AppendLine("");
141         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
142         sb.AppendLine("");
143         sb.AppendLine("        return jdbcTemplate.query(sql, new " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix)+ "RowMapper());");
144         sb.AppendLine("    }");
145 
146         return sb.ToString();
147     }
148         
149     public static string selectList(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
150     {
151         StringBuilder sb = new StringBuilder();
152       
153         sb.AppendLine("    public List<" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "> selectList(String whereCase, Object[] paramValues ){");
154         sb.AppendLine("        String sql = "select " + GetSelectFields(appSettings,  listColumnInfo) +  " " + whereCase;");
155         sb.AppendLine("");
156         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
157         sb.AppendLine("");
158         sb.AppendLine("        return jdbcTemplate.query(sql, paramValues, new " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "RowMapper());");
159         sb.AppendLine("    }");
160 
161 
162         return sb.ToString();
163     }
164         
165     public static string count(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
166     {
167         StringBuilder sb = new StringBuilder();
168       
169         sb.AppendLine("    public Integer count(String whereCase, Object[] paramValues){");
170         sb.AppendLine("        String sql = "select count(1) from " + appSettings.ClassPrefix + " t " + whereCase;");
171         sb.AppendLine("");
172         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
173         sb.AppendLine("");
174         sb.AppendLine("        return jdbcTemplate.queryForObject(sql, paramValues, Integer.class);");
175         sb.AppendLine("    }");
176 
177 
178         return sb.ToString();
179     }
180         
181     public static string selectPaging(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
182     {
183         StringBuilder sb = new StringBuilder();
184       
185         sb.AppendLine("    public PageResult selectPaging(int pageNumber, int pageSize, String whereCase, Object[] paramValues){");
186         sb.AppendLine("");
187         sb.AppendLine("        Dialect dialect = Dialect.guessDialect(dataSource);");
188         sb.AppendLine("        String sql = dialect.pagin(pageNumber,pageSize, "select " + GetSelectFields(appSettings,  listColumnInfo) +  " " + whereCase);");
189         sb.AppendLine("");
190         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
191         sb.AppendLine("        List<" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "> recordList = jdbcTemplate.query(sql, paramValues, new " + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "RowMapper());");
192         sb.AppendLine("");
193         sb.AppendLine("        int totalCount = count(whereCase, paramValues);");
194         sb.AppendLine("");
195         sb.AppendLine("        PageResult pageResult = new PageResult(pageNumber, pageSize, totalCount, recordList);");
196         sb.AppendLine("");
197         sb.AppendLine("        return pageResult;");
198         sb.AppendLine("    }");
199 
200 
201         return sb.ToString();
202     }
203             
204     public static string insert(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
205     {
206         StringBuilder sb = new StringBuilder();
207       
208         //sb.AppendLine("@*insert时，如果有自动生成的主键就生成返回该主键的函数;没有自动生成的主键，则返回true,false*@    ");
209         //sb.AppendLine("@{");
210         if("NO" == HasAUTO_GENERATED_KEYS(listColumnInfo)){
211         sb.AppendLine("    @Override");
212         sb.AppendLine("    public Integer insert(" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix)+" model) {");
213         sb.AppendLine("");
214         sb.AppendLine("        String sql = "insert into "+appSettings.ClassPrefix+" ( "+GetInsertFields(appSettings, listColumnInfo)+" ";");
215         sb.AppendLine("");
216         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
217         sb.AppendLine("");
218         sb.AppendLine("        Object[] params = new Object[] {"+GetInsertParams(appSettings, listColumnInfo)+"};");
219         sb.AppendLine("");
220         sb.AppendLine("        int out = jdbcTemplate.update(sql, params);");
221         sb.AppendLine("");
222         sb.AppendLine("        return out;");
223         sb.AppendLine("    }");
224         }
225         sb.AppendLine("");
226         if("YES" == HasAUTO_GENERATED_KEYS(listColumnInfo)){
227         sb.AppendLine("");
228         sb.AppendLine("    @Override");
229         sb.AppendLine("    public Integer insertReturnPk(" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix)+" model) {");
230         sb.AppendLine("");
231         sb.AppendLine("        String sql = "insert into "+appSettings.ClassPrefix+" ( "+GetInsertFields(appSettings, listColumnInfo)+" ";");
232         sb.AppendLine("");
233         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
234         sb.AppendLine("");
235         sb.AppendLine("      KeyHolder keyHolder = new GeneratedKeyHolder();");
236         sb.AppendLine("      jdbcTemplate.update(new PreparedStatementCreator() {");
237         sb.AppendLine("          @Override");
238         sb.AppendLine("          public PreparedStatement createPreparedStatement(Connection conn) throws SQLException {");
239         sb.AppendLine("              PreparedStatement ps = conn.prepareStatement(sql, PreparedStatement.RETURN_GENERATED_KEYS);");
240         sb.AppendLine("              " + GetInsertParamsReturnPk(appSettings,listColumnInfo)+"");
241         sb.AppendLine("              return ps;");
242         sb.AppendLine("          }");
243         sb.AppendLine("      }, keyHolder);");
244         sb.AppendLine("      ");
245         sb.AppendLine("      return keyHolder.getKey().intValue();");
246         sb.AppendLine("    }");
247         sb.AppendLine("}");
248 
249 }
250 
251 
252         return sb.ToString();
253     }
254     
255 
256 
257     public static string insertSelective(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
258     {
259         StringBuilder sb = new StringBuilder();
260       
261         sb.AppendLine("");
262         sb.AppendLine("    @Override");
263         sb.AppendLine("    public Integer insertSelective(" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " model) {");
264         sb.AppendLine("");
265         sb.AppendLine("        StringBuffer sbSql = new StringBuffer();");
266         sb.AppendLine("        StringBuffer sbParams = new StringBuffer();");
267         sb.AppendLine("        ArrayList<Object> alParamsValues = new ArrayList<Object>();");
268         sb.AppendLine("");
269         sb.AppendLine("        String pre = "";");
270         sb.AppendLine("        " + GetInsertSelectiveFields(appSettings, listColumnInfo));
271         sb.AppendLine("        ");
272         sb.AppendLine("        String sql = "INSERT INTO "+appSettings.ClassPrefix+" (" + sbSql.toString() + ") VALUES (" + sbParams.toString() + ")";");
273         sb.AppendLine("        ");
274         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
275         sb.AppendLine("");
276         sb.AppendLine("        Object[] params = alParamsValues.toArray();");
277         sb.AppendLine("");
278         sb.AppendLine("        int out = jdbcTemplate.update(sql, params);");
279         sb.AppendLine("");
280         sb.AppendLine("        return out;");
281         sb.AppendLine("    }");
282         sb.AppendLine("    ");
283 
284 
285 
286         return sb.ToString();
287     }
288     
289     public static string update(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
290     {
291         StringBuilder sb = new StringBuilder();
292       
293         
294         sb.AppendLine("    @Override");
295         sb.AppendLine("    public Integer update(" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " model) {");
296         sb.AppendLine("");
297         sb.AppendLine("        String sql = "update "+appSettings.ClassPrefix+" set " + GetUpdateFields(appSettings, listColumnInfo) + "";");
298         sb.AppendLine("        ");
299         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
300         sb.AppendLine("        ");
301         sb.AppendLine("        Object[] params = new Object[] {" + GetUpdateParams(appSettings, listColumnInfo) +"};");
302         sb.AppendLine("");
303         sb.AppendLine("        return jdbcTemplate.update(sql, params);");
304         sb.AppendLine("    }");
305         sb.AppendLine("    ");
306 
307 
308         return sb.ToString();
309     }
310     public static string updateSelective(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
311     {
312         StringBuilder sb = new StringBuilder();
313       
314         
315         sb.AppendLine("    @Override");
316         sb.AppendLine("    public Integer updateSelective(" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " model) {");
317         sb.AppendLine("");
318         sb.AppendLine("        StringBuffer sbSql = new StringBuffer();");
319         sb.AppendLine("        StringBuffer sbParams = new StringBuffer();");
320         sb.AppendLine("        ArrayList<Object> alParamsValues = new ArrayList<Object>();");
321         sb.AppendLine("");
322         sb.AppendLine("        String pre = "";");
323         sb.AppendLine("        String preWhere = "";");
324         sb.AppendLine("        " + GetUpdateSelectiveFields(appSettings, listColumnInfo) );
325         sb.AppendLine("        ");
326         sb.AppendLine("        if(!sbSql.toString().equalsIgnoreCase("")){");
327         sb.AppendLine("            String sql = "update "+appSettings.ClassPrefix+" set " + sbSql.toString() + " where " + sbParams.toString() ;");
328         sb.AppendLine("            ");
329         sb.AppendLine("            JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
330         sb.AppendLine("");
331         sb.AppendLine("            Object[] params = alParamsValues.toArray();");
332         sb.AppendLine("");
333         sb.AppendLine("            return jdbcTemplate.update(sql, params);");
334         sb.AppendLine("        }");
335         sb.AppendLine("        ");
336         sb.AppendLine("        return 0;");
337         sb.AppendLine("");
338         sb.AppendLine("    }");
339 
340 
341         return sb.ToString();
342     }
343     public static string delete(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
344     {
345         StringBuilder sb = new StringBuilder();
346       
347         
348         sb.AppendLine("    @Override");
349         sb.AppendLine("    public Integer delete(" + GetDeleteFunctionSignature(appSettings, listColumnInfo) + ") {");
350         sb.AppendLine("");
351         sb.AppendLine("        String sql = "delete from "+appSettings.ClassPrefix+" where "+GetDeleteFields(appSettings, listColumnInfo)+"";");
352         sb.AppendLine("        ");
353         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
354         sb.AppendLine("");
355         sb.AppendLine("        return jdbcTemplate.update(sql, " + GetDeleteParams(appSettings, listColumnInfo) + ");");
356         sb.AppendLine("    }");
357 
358 
359         return sb.ToString();
360     }
361 
362     public static string delete__batch(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
363     {
364         StringBuilder sb = new StringBuilder();
365       
366         
367         sb.AppendLine("    @Override");
368         sb.AppendLine("    public Integer delete(List<" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + "> ls" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + " ){");
369         sb.AppendLine("        String sql = "delete from "+ appSettings.ClassPrefix+" where " + GetDeleteFields(appSettings, listColumnInfo) + "";");
370         sb.AppendLine("        ");
371         sb.AppendLine("        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);");
372         sb.AppendLine("");
373         sb.AppendLine("        return jdbcTemplate.batchUpdate(sql, new BatchPreparedStatementSetter() {");
374         sb.AppendLine("            @Override");
375         sb.AppendLine("            public void setValues(PreparedStatement preparedStatement, int i) throws SQLException {                ");
376         sb.AppendLine("                " + GetDeleteFieldsValue(appSettings, listColumnInfo));
377         sb.AppendLine("            }");
378         sb.AppendLine("            ");
379         sb.AppendLine("            @Override");
380         sb.AppendLine("            public int getBatchSize() {");
381         sb.AppendLine("                return ls" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix)+".size();");
382         sb.AppendLine("            }");
383         sb.AppendLine("        }).length;");
384         sb.AppendLine("    }");
385 
386 
387 
388         return sb.ToString();
389     }
390     
391     //以下为公共函数
392     public static string GetClassName(AppSettings appSettings, List<ColumnInfo> listColumnInfo){
393         return UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix);
394     }
395     
396     public static string GetSelectProcessRow(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
397     {
398         string result = "";
399         string pre = "";
400         
401         foreach(ColumnInfo ci in listColumnInfo)
402         {
403             result += pre + "model.set" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString())
404                         + "(resultSet.get" + Get_GetJavaTypeFromSqlType(ci) + "("" + ci.Name.ToString() + ""))";
405             pre = ";
            ";
406         }
407         
408         return result;
409     }
410     
411     public static string GetSelectByPkFunctionSignature(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
412     {
413         string result = "";
414         string pre = "";
415         
416         foreach(ColumnInfo ci in listColumnInfo)
417         {
418             if(ci.IsPrimaryKey)
419             {
420                 result += pre + GetJavaTypeFromSqlType(ci) + " " + UnderscoreCamelUtil.ToCamelCase(ci.Name.ToString());
421                 pre = ", ";
422             }
423         }
424         
425         return result;
426     }
427     
428     public static string GetSelectFields(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
429     {
430         string result = "";
431         string where = "";
432         string pre = "";
433         string preWhere = "";
434         string tableName = "";
435         
436         foreach(ColumnInfo ci in listColumnInfo)
437         {
438             //if(ci.IsPrimaryKey)
439             //{
440             //    where += preWhere + ci.Name.ToString();
441             //    where += "=?";
442             //    preWhere = ", ";
443             //}
444             
445                 result += pre + "t." + ci.Name.ToString();
446                 pre = ", ";
447 
448             tableName= ci.TableName;
449         }
450         
451         result += " from " + tableName + " t ";
452         
453         return result;
454     }
455     
456     public static string GetSelectByPkWhere(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
457     {
458         string where = "";
459         string pre = "";
460         string preWhere = "";
461         string tableName = "";
462         
463         foreach(ColumnInfo ci in listColumnInfo)
464         {
465             if(ci.IsPrimaryKey)
466             {
467                 where += preWhere + ci.Name.ToString();
468                 where += "=?";
469                 preWhere = ", ";
470             }
471 
472             tableName= ci.TableName;
473         }
474 
475         return where;
476     }
477     
478     public static string GetSelectByPkParams(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
479     {
480         string result = "";
481         string pre = "";
482         
483         foreach(ColumnInfo ci in listColumnInfo)
484         {
485             if(ci.IsPrimaryKey)
486             {
487                 result += pre + UnderscoreCamelUtil.ToCamelCase(ci.Name.ToString());
488                 pre = ", ";
489             }
490         }
491         
492         return result;
493     }
494     
495     public static string GetInsertFields(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
496     {
497         string result = "";
498         string values = "";
499         string pre = "";
500         
501         foreach(ColumnInfo ci in listColumnInfo)
502         {
503             if(ci.IsAutoNumber)
504             {
505             }
506             else
507             {
508                 result += pre + ci.Name.ToString();
509                 values += pre + "?";
510                 pre = ", ";
511             }
512         }
513         
514         result += ") values ( " + values + ")";
515         
516         return result;
517     }
518     
519     public static string GetInsertParams(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
520     {
521         string result = "";
522         string pre = "";
523         
524         foreach(ColumnInfo ci in listColumnInfo)
525         {
526             if(ci.IsAutoNumber)
527             {
528             }
529             else
530             {
531                 result += pre + "model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "()";
532                 pre = ", ";
533             }
534         }
535         
536         return result;
537     }
538     
539     public static string GetInsertParamsReturnPk(AppSettings appSettings, List<ColumnInfo> listColumnInfo)
540     {
541         string result = "";
542         string pre = "";
543 
544         int i = 1;
545         foreach(ColumnInfo ci in listColumnInfo)
546         {
547             if(ci.IsAutoNumber)
548             {
549             }
550             else
551             {
552                 //result += pre + "ps.set" + @GetJavaTypeFromSqlType(ci) + "(" + i++ + ", model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "());";
553                 result += pre + "ps.setObject(" + i++ + ", model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "());";
554                 pre = "
              ";
555             }
556         }
557         
558         return result;
559     }
560 
561 
562     public static string GetInsertSelectiveFields(AppSettings appSettings, List<ColumnInfo> columnInfoList)
563     {
564         string result = "
";
565         string values = "";
566         string pre = "";
567         
568         foreach(ColumnInfo ci in columnInfoList)
569         {
570             if(ci.IsAutoNumber)
571             {
572             }
573             else
574             {
575                 result += "        if(model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "() != null){
";
576                 result += "            sbSql.append(pre + "" + ci.Name.ToString() + "");
";
577                 result += "            sbParams.append(pre + "?");
";
578                 result += "            alParamsValues.add(model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "());
";
579                 result += "            pre = ",";
";
580                 result += "        }
";
581                 pre = ", ";
582             }
583         }
584         
585         return result;
586     }
587     
588 
589     public static string GetUpdateFields(AppSettings appSettings, List<ColumnInfo> columnInfoList)
590     {
591         string result = "";
592         string where = "";
593         string pre = "";
594         string preWhere = "";
595         
596         foreach(ColumnInfo ci in columnInfoList)
597         {
598             if(ci.IsPrimaryKey)
599             {
600                 where += preWhere + ci.Name.ToString();
601                 where += "=?";
602                 preWhere = ", ";
603             }else{
604                 result += pre + ci.Name.ToString();
605                 result += "=?";
606                 pre = ", ";
607             }
608         }
609         
610         result = result + " where " + where;
611         
612         return result;
613     }
614 
615 
616 public static string GetUpdateParams(AppSettings appSettings, List<ColumnInfo> columnInfoList)
617     {
618         string result = "";
619         string where = "";
620         string pre = "";
621         string preWhere = "";
622         
623         foreach(ColumnInfo ci in columnInfoList)
624         {
625             if(ci.IsPrimaryKey)
626             {
627                 where += preWhere + "model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "()";
628                 preWhere = ", ";
629             }else{
630                 result += pre + "model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "()";
631                 pre = ", ";
632             }
633         }
634         
635         result = result + " , " + where;
636         
637         return result;
638     }
639     
640     public static string GetUpdateSelectiveFields(AppSettings appSettings, List<ColumnInfo> columnInfoList)
641     {
642         string result = "
";
643         string where = "";
644         string values = "";
645         string pre = "";
646         string preWhere = "";
647         
648         foreach(ColumnInfo ci in columnInfoList)
649         {
650             if(ci.IsPrimaryKey)
651             {
652             }
653             else
654             {
655                 result += "        if(model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "() != null){
";
656                 result += "            sbSql.append(pre + "" + ci.Name.ToString() + "=?");
";
657                 //result += "            sbParams.append(pre + "?");
";
658                 result += "            alParamsValues.add(model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "());
";
659                 result += "            pre = ",";
";
660                 result += "        }
";
661                 pre = ", ";
662             }
663         }
664         
665         foreach(ColumnInfo ci in columnInfoList)
666         {
667             if(ci.IsPrimaryKey)
668             {
669                 where += "        if(model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "() != null){
";
670                 //where += "            sbSql.append(pre + "" + pre + ci.Name.ToString() + "=?");
";
671                 where += "            sbParams.append(preWhere + "" + preWhere + ci.Name.ToString() + "=?");
";
672                 where += "            alParamsValues.add(model.get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "());
";
673                 where += "            preWhere = ",";
";
674                 where += "        }
";
675                 preWhere = ", ";
676             }
677             else
678             {
679             }
680         }
681 
682         
683         return result + where;
684     }
685     
686     public static string GetDeleteFunctionSignature(AppSettings appSettings, List<ColumnInfo> columnInfoList)
687     {
688         string result = "";
689         string pre = "";
690         
691         foreach(ColumnInfo ci in columnInfoList)
692         {
693             if(ci.IsPrimaryKey)
694             {
695                 result += pre + GetJavaTypeFromSqlType(ci) + " " + UnderscoreCamelUtil.ToCamelCase(ci.Name.ToString());
696                 pre = ", ";
697             }
698         }
699         
700         return result;
701     }
702     
703     public static string GetDeleteFields(AppSettings appSettings, List<ColumnInfo> columnInfoList)
704     {
705         string result = "";
706         string pre = "";
707         
708         foreach(ColumnInfo ci in columnInfoList)
709         {
710             if(ci.IsPrimaryKey)
711             {
712                 result += pre + ci.Name.ToString() + "=?";
713                 pre = ", ";
714             }
715         }
716         
717         return result;
718     }
719 
720 
721     public static string GetDeleteParams(AppSettings appSettings, List<ColumnInfo> columnInfoList)
722     {
723         string result = "";
724         string pre = "";
725         
726         foreach(ColumnInfo ci in columnInfoList)
727         {
728             if(ci.IsPrimaryKey)
729             {
730                 result += pre + UnderscoreCamelUtil.ToCamelCase(ci.Name.ToString());
731                 pre = ", ";
732             }
733         }
734         
735         return result;
736     }
737     
738     //preparedStatement.setString(1, ls@UnderscoreCamelUtil.ToPascalCase(@AppSetting.ClassPrefix).get(i).getId());
739     public static string GetDeleteFieldsValue(AppSettings appSettings, List<ColumnInfo> columnInfoList)
740     {
741         string result = "";
742         string pre = "";
743         
744         foreach(ColumnInfo ci in columnInfoList)
745         {
746             if(ci.IsPrimaryKey)
747             {
748                 //result += pre + ci.Name.ToString() + "=?";
749                 result += pre + "preparedStatement.set" + GetJavaTypeFromSqlType(ci) + "(1, ls" + UnderscoreCamelUtil.ToPascalCase(appSettings.ClassPrefix) + ".get(i).get" + UnderscoreCamelUtil.ToPascalCase(ci.Name.ToString()) + "());";
750                 pre = ", ";
751             }
752         }
753         
754         return result;
755     }
756     
757     public static string GetImports(List<ColumnInfo> listColumnInfo)
758     {
759         string result = "";
760         bool hasBigDecimal = false;
761         bool hasDate = false;
762         foreach(ColumnInfo ci in listColumnInfo)
763         {
764             if("BigDecimal" == GetJavaTypeFromSqlType(ci))
765             {                
766                 hasBigDecimal = true;
767             }
768             if("Date" == GetJavaTypeFromSqlType(ci))
769             {                
770                 hasDate = true;
771             }
772         }
773         
774         if(hasBigDecimal)
775         {
776             result += "import java.math.BigDecimal;
";
777         }
778         if(hasDate)
779         {
780             result += "import java.util.Date;";
781         }
782 
783         return result;
784     }
785     
786     public static string HasAUTO_GENERATED_KEYS(List<ColumnInfo> listColumnInfo)
787     {
788         string result = "NO";
789         
790         foreach(ColumnInfo ci in listColumnInfo)
791         {
792             if(ci.IsAutoNumber)
793             {
794                 result = "YES";
795             }
796         }
797         
798         return result;
799     }
800     
801     //更通用的函数
802     public static string GetJavaTypeFromSqlType(ColumnInfo ci)
803     {
804         string result = TypeConverterForJava.SqlType2JavaDeclare(ci.DataType, ci.Precision, ci.Scale);
805         return result;
806     }
807     
808         
809     public static string Get_GetJavaTypeFromSqlType(ColumnInfo ci)
810     {
811         string result = TypeConverterForJava.SqlType2JavaDeclare(ci.DataType, ci.Precision, ci.Scale);
812         if(result == "Integer")
813         {
814             return "Int";
815         }
816         return result;
817     }
818 }
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原文地址：https://www.cnblogs.com/yasepix/p/12576605.html