前端：
<%@ page contentType="text/html;charset=UTF-8" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <%@ include file="/WEB-INF/views/include/taglib.jsp"%> <%@ include file="/WEB-INF/views/include/head.jsp"%> <title>Insert title here</title> <script type="text/javascript"> //获取查重内容列表 function getnext(tablename) { if(tablename!=""){ $.ajax({ type: "post", url: "${ctx}/home/findfields", data: {tablename:tablename,dbname:'jk'}, success: function(data){ //alert(data); debugger; $('#fieldSelect').empty(); $('#fieldSelect').append('<option value="" >选择查重字段</option>'); $.each(data, function (i, item) { //alert(item.id + "," + item.name); var v=item.fieldname; var c=item.fieldcomment; $('#fieldSelect').append('<option value="'+v+'" >'+c+'</option>'); }); } }); } } $(function($) { // 你可以在这里继续使用$作为别名... $('#tableSelect').change(function(){ var p1=$(this).children('option:selected').val();//这就是selected的值 getnext(p1); }) }); </script> </head> <body> <div class="container" style="margin:200px;"> <table class="table"> <tbody> <tr> <td></td> <td> 查重项目 </td> <td> 查重字段 </td> <td></td><td></td><td></td> </tr> <tr> <td></td><td></td><td></td><td></td><td></td><td></td> </tr> <tr> <td></td> <td> <select name="tableSelect" id="tableSelect"> <option value="" >选择查重项目</option> <c:forEach var="item" items="${dataList}" > <option value="${item.tablename}" >${item.tablecomment} </option> </c:forEach> </select> </td> <td> <select name="fieldSelect" id="fieldSelect"> <option value="" >选择查重字段</option> <c:forEach var="item" items="${fieldList}" > <option value="${item.fieldname}" >${item.fieldcomment} </option> </c:forEach> </select> </td> <td></td><td></td><td></td> </tr> <tr> <td></td><td></td><td></td><td></td><td></td><td></td> </tr> </tbody> </table> </div> </body> </html>
后端：
package com.wbh.wbhsq.web;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import com.wbh.wbhsq.entity.SqData;
import com.wbh.wbhsq.service.SqdataService;
@Controller
@RequestMapping(value = "${adminPath}/home")
public class HomeController extends BaseController {
@Autowired
private SqdataService sqdataService;
@RequestMapping(value = {"view"})
public String view(@RequestParam(required=true) String loadCode)
{
return "wbhsq/home";
}
@RequestMapping(value="getList")
public ModelAndView getList(ModelAndView model) throws Exception{
List<SqData> list=sqdataService.findAll();
model.addObject("dataList", list);
model.setViewName("wbhsq/getList");
return model;
}
@RequestMapping(value="setsql")
public ModelAndView setsql(ModelAndView model) throws Exception{
List<SqData> list=sqdataService.findAllTable();
model.addObject("dataList", list);
list=sqdataService.findAll();
model.addObject("fieldList", list);
model.setViewName("wbhsq/setsql");
return model;
}
/**
* 获取字段列表
* 2015年12月27日
* By hoge
* @param model
* @param rid
* @return
*/
@RequestMapping(value = {"findfields"})
public @ResponseBody List<SqData> findfields(Model model,String tablename) {
Map<String,Object> filter = new HashMap<String, Object>();
filter.put("tablename", tablename);
List<SqData> fieldList = sqdataService.query(filter);
return fieldList;
}
}