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  • FDMB 增删改删 查 分页 封装

     下载地址  http://pan.baidu.com/s/1qWrt9W4
    // // GCB_ProductDetailDB.h // TestDemo001 // // Created by Waltz3D on 14-3-13. // Copyright (c) 2014年 Waltz. All rights reserved. // #import <Foundation/Foundation.h> @interface GCB_ProductDetailDB : NSObject +(id)share; #pragma mark - ------------------创建表------ #pragma mark -创建表 -(void)CreateTable; #pragma mark - -----------------插入------- #pragma mark -拼接插入sql语句 -(NSString *)BuildInsertTableName:(NSString *)tablename keyArray:(NSArray *)keyArrary valueArrary:(NSArray *)valueArrary; #pragma mark -插入数据库操作 -(int )insertTablewithSql:(NSString *)sql; #pragma mark - ------------------删除------ #pragma mark -删除数据库操作 -(void)DeleteTableName:(NSString *)tableName PID:(int)ID; #pragma mark - ------------------更新------ #pragma mark -拼接更新sql语句 -(NSString *)BuildUpdateName:(NSString *)tablename keyArray:(NSArray *)keyArrary valueArrary:(NSArray *)valueArrary PID:(int)ID; #pragma mark -更新数据库操作 -(void)UpdateTableWithSql:(NSString *)sql; #pragma mark - ------------------查询------ #pragma mark -通过ID来查询数据 -(NSArray *)SelectTableName:(NSString *)tableName PID:(int)ID; #pragma mark -通过页码来查询数据(分页) -(NSArray *)SelectTableName:(NSString *)tableName startPage:(int)page; #pragma mark -关闭数据库 -(void)closeDB; #pragma mark-打开数据库 -(void)OpenDB; @end

      .m文件

    //
    //  GCB_ProductDetailDB.m
    //  TestDemo001
    //
    //  Created by Waltz3D on 14-3-13.
    //  Copyright (c) 2014年 Waltz. All rights reserved.
    //
    
    #import "GCB_ProductDetailDB.h"
    #import "FMDatabase.h"
    #import "FMDatabaseQueue.h"
    #import "FMDatabaseAdditions.h"
    #import "GCB_Product.h"
    
    #define  DB_PAGESIZE 50
    
    
    @interface GCB_ProductDetailDB ()
    {
        FMDatabase *_db;
    }
    
    @end
    
    @implementation GCB_ProductDetailDB
    
    
    +(id)share{
        static dispatch_once_t onceToken;
        static GCB_ProductDetailDB *db=nil;
        dispatch_once(&onceToken, ^{
            db=[[GCB_ProductDetailDB alloc] init];
        });
        return db;
    }
    
    
    #pragma mark -关闭数据库
    -(void)closeDB{
        [_db close];
    }
    
    #pragma mark-打开数据库
    -(void)OpenDB{
        [_db close];
        [_db open];
    }
    
    //===================创建表=======================
    #pragma mark -创建数据库
    -(void)CreateTable{
        NSString *docs=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
        docs=[docs stringByAppendingPathComponent:@"Boee.db"];
        NSLog(@"--->doc=%@",docs);
        
        _db=[FMDatabase databaseWithPath:docs];
        _db=[_db retain];
        [_db open];
        
        //现货
        if (![_db tableExists:@"SpotProduce"]) {
            NSArray *propertys=@[
                                   @"ParentID"//分类ID
                                  ,@"ProductName"//品名
                                  ,@"ProductNum"//款号
                                  ,@"ProductCode"//条码
                                  ,@"ProductSize"//尺寸(具体数值)
                                  ,@"ProductPrice"//价格
                                  ,@"ProductPhoto"//大图
                                  ,@"AdPhoto"//南渄美钻广告图
                                  ,@"Description"//商品描述
                                  ,@"ProductType"//产品系列  ID(下单:1,现贷:2)
                                  ,@"Weigth"//产品重量
                                  ,@"Suttle"//净金重
                                  ,@"SetModel"//镶石类型
                                  ,@"Stuff"//材质(成色)
                                  ,@"ProductColor"//产品颜色
                                  ,@"Imprint"//字印
                                  ,@"Remark"//备注
                                  ,@"JoinDate"//最后更新时间
                                  ,@"JoinIP"//最后更新IP
                                  ,@"SubIntro"//副石集合
                                  ,@"Introduce"//主石集合
                       ];
            
          
    
           [self BuildCreateSqlWithTable:@"SpotProduce" Propertys:propertys];
            
        }
        //下单产品
        if (![_db tableExists:@"OrderProduce"]) {
            NSArray *propertys=@[
                                   @"ParentID"//分类ID
                                  ,@"ProductName"//品名
                                  ,@"ProductNum"//款号
                                  ,@"ProductPhoto"//大图
                                  ,@"Description"//商品描述
                                  ,@"ProductType"//产品系列(下单:1,现贷:2)
                                  ,@"WeigthRange"//重量区间
                                  ,@"Remark"//备注
                                  ,@"JoinDate"//最后更新时间
                                  ,@"JoinIP"//最后更新IP
                                 ,@"DiamondIntr"
                                 
                                 ];
                    [self BuildCreateSqlWithTable:@"OrderProduce" Propertys:propertys];
        }
        
        
        //分类
        if (![_db tableExists:@"ProduceCategory"]) {
            NSArray *propertys=@[
                                 @"ID",
                                 @"ParentID",
                                 @"CatName",
                                 @"CatPhoto",
                                 @"Language"
                                 
                                 ];
            [self BuildCreateSqlWithTable:@"ProduceCategory" Propertys:propertys];
        }
        
        //南非美钻
        if (![_db tableExists:@"SouthDiamond"]) {
            NSArray *propertys=@[
                                 @"Attr1",
                                 @"Attr2",
                                 @"AttrDescript",
                                 @"AttrName",
                                 @"AttrPhoto",
                                 @"Id",
                                 @"NodePath",
                                 @"ParentId"
                                 ];
            [self BuildCreateSqlWithTable:@"SouthDiamond" Propertys:propertys];
        }
    }
    
    #pragma mark -创建表
    -( void)BuildCreateSqlWithTable:(NSString *)tableName Propertys:(NSArray *)propertys{
        NSMutableString *sql=[NSMutableString string];
        [sql appendFormat:@"CREATE TABLE %@ (PID INTEGER PRIMARY KEY AUTOINCREMENT,",tableName];
        for (int i=0; i<propertys.count; i++) {
            if (i==propertys.count-1) {
                [sql appendFormat:@"%@ text)",propertys[i]];
            }
            else  [sql appendFormat:@"%@ text,",propertys[i]];
        }
        BOOL flag= [_db executeUpdate:sql ];
        
        if (flag) NSLog(@"create table %@ sucess",tableName);
        else NSLog(@"create table %@ failed",tableName);
    
        
        
    }
    
    
    
    //===================删除=======================
    #pragma mark -删除sql操作
    //ID 等于0 删除所有表
    -(void)DeleteTableName:(NSString *)tableName PID:(int)ID{
        if(ID==0){
            NSString *sql=[NSString stringWithFormat:@"DELETE FROM %@",tableName];
            [_db executeUpdate:sql];
        }
        else{
            NSString *sql=[NSString stringWithFormat:@"DELETE FROM %@ WHERE PID =%zi",tableName,ID];
            [_db executeUpdate:sql];
        }
        if ([_db hadError])
        {
            NSLog(@"DELETE FROM %@  ERROR  %d: %@",tableName, [_db lastErrorCode], [_db lastErrorMessage]);
        }
    }
    
    //===================查询=======================
    #pragma mark -查询操作
    
    -(NSArray *)SelectTableName:(NSString *)tableName  PID:(int)ID{
        
       
        NSMutableArray *temp=[NSMutableArray array];
        FMResultSet *rs=nil;
        if (ID==0) {
            
        NSString *sql=[NSString stringWithFormat:@"SELECT * FROM %@ ORDER BY PID DESC",tableName];
        rs=[_db executeQuery:sql];
        }
        else{
          NSString *sql=[NSString stringWithFormat:@"SELECT * FROM %@ WHERE PID = %zi",tableName,ID];
         rs=[_db executeQuery:sql];
        }
        while ([rs next]){
                  GCB_Product *product= [GCB_Product ProductWithResultSet:rs];
                [temp addObject:product];
    
        }
        return temp;
    }
    
    
    -(NSArray *)SelectTableName:(NSString *)tableName  startPage:(int)page{
        
        NSMutableArray *temp=[NSMutableArray array];
        NSString *sql=[NSString stringWithFormat:@"SELECT  * FROM %@ WHERE PID>=%zi AND PID<=%zi ORDER BY PID DESC",tableName,(page-1)*DB_PAGESIZE+1,page*DB_PAGESIZE];
        FMResultSet *rs=[_db executeQuery:sql];
       
        while ([rs next]){
    
            if ([tableName isEqualToString:@"OrderProduce"]) {
                GCB_Product *product= [GCB_Product ProductWithResultSet:rs];
                [temp addObject:product];
            }
        }
        return temp;
    }
    
    
    
    
    
    //===================插入=======================
    #pragma mark -插入数据库操作
    
    -(int)insertTablewithSql:(NSString *)sql{
    //    NSLog(@"%@",sql);
        [_db executeUpdate:sql];
        if ([_db hadError])
        {
            NSLog(@"insertWith ERROR %d: %@", [_db lastErrorCode], [_db lastErrorMessage]);
            return (- 1);
        }
        return [_db lastInsertRowId];
    }
    #pragma mark -拼接插入sql语句
    
    -(NSString *)BuildInsertTableName:(NSString *)tablename keyArray:(NSArray *)keyArrary valueArrary:(NSArray *)valueArrary {
        NSMutableString *appendStr=[NSMutableString string];
        NSMutableString *paramStr=[NSMutableString string];
        [appendStr appendFormat:@"INSERT INTO %@(",tablename];
        
        for (int i=0; i<keyArrary.count; i++) {
            NSString *value=valueArrary[i];
            if (i==keyArrary.count-1) {
                [appendStr appendFormat:@"%@)VALUES (",keyArrary[i]];
                [paramStr appendFormat:@"'%@')",value];
            }
            else{
                [appendStr appendFormat:@"%@,",keyArrary[i]];
                [paramStr appendFormat:@"'%@',",value];
            }
        }
        [appendStr appendString:paramStr];
        return appendStr;
        
    }
    
    
    //===================更新========================
    #pragma mark -更新数据库操作
    -(void)UpdateTableWithSql:(NSString *)sql{
        NSLog(@"%@",sql);
        [_db executeUpdate:sql];
        if ([_db hadError])
        {
            NSLog(@"UpdateWith ERROR %d: %@", [_db lastErrorCode], [_db lastErrorMessage]);
            
        }
        else{
            NSLog(@"更新成功");
        }
    }
    
    #pragma mark -拼接更新sql语句
    -(NSString *)BuildUpdateName:(NSString *)tablename keyArray:(NSArray *)keyArrary valueArrary:(NSArray *)valueArrary  PID:(int)ID{
        NSMutableString *appendStr=[NSMutableString string];
        [appendStr appendFormat:@"UPDATE %@ SET ",tablename];
        for (int i=0; i<keyArrary.count; i++) {
            NSString *value=valueArrary[i];
            if (i==keyArrary.count-1)
                [appendStr appendFormat:@"%@='%@'",keyArrary[i],value];
            else
                [appendStr appendFormat:@"%@='%@',",keyArrary[i],value];
        }
        [appendStr appendFormat:@"  where PID=%zi",ID];
        return appendStr;
        
    }
    
    
    
    @end
    

      

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  • 原文地址:https://www.cnblogs.com/gcb999/p/3630066.html
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