struts2 jquery json 实现ajax技术 返回list
jsp页面：
<input type="hidden" id="currentPage2" value="1"> <br/><br/><div></div><DIV id=in_send><div align="left" style="padding-left:40px; font-weight:blod; margin-top:10px;" >发表评论：</div><table width="720" border="0" cellspacing="5" cellpadding="0"><tr><td align="left">姓 名：</td><td align="left"><input type="text" name="picCriticismName" id="picCriticismName" style="width:220px" maxlength="49" tabindex=1><div id="nmerror" style="float:left;" >*姓名最长为50字节</div></td></tr><tr><td align="left" valign="top" id="reTitle">内 容：</td><td align="left" ><textarea name="picCriticismContent" id="picCriticismContent" style="width:520px;height:155px" tabindex=4></textarea></td></tr><tr id="3_err" style="display:none"><td> </td><td><div id="3_err_con"></div></td></tr><tr><td valign="top"> </td><td valign="top" align="left" ><input type="button" onclick="good()" value="发表评论" ></td></tr></table></DIV></DIV>
xml配置文件： <?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <!-- 作者：ljz 时间：2010/09/15 --><struts> <package name="piccriticism" extends ="json-default"> <action name="addPicCriticism" method="addPicCriticism"> <result name="success" type="json"><param name="includeProperties">list5\[\d+\]\.criticismContent,list5\[\d+\]\.criticismName,list5\[\d+\]\.criticismIp,list5\[\d+\]\.criticismTime,list5\[\d+\]\.totalPage,list5\[\d+\]\.currentPage</param></result> </action></package></struts>
package cn.ljzblog.ljz.action;import java.text.SimpleDateFormat;import java.util.Date;import java.util.List;import test.SuperPicCriticims;import cn.ljzblog.ljz.common.CalculatePage;import cn.ljzblog.ljz.common.Page;import cn.ljzblog.ljz.model.PicCriticism;import cn.ljzblog.ljz.model.PicCriticismTemp;import cn.ljzblog.ljz.service.PicCriticismServices;import cn.ljzblog.ljz.util.ActionContextUtil;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ModelDriven;/** * 相片评论 * @author ljz * @time 2010/10/03 */public class PicCriticismAction extends ActionSupport implements ModelDriven<PicCriticismTemp>{ private PicCriticismTemp pt = new PicCriticismTemp(); private SuperPicCriticims sc = new SuperPicCriticims(); private ActionContextUtil acu = new ActionContextUtil(); private PicCriticism pc = new PicCriticism(); private String pictureDetail; private String picCriticismName; private String currentPage2 = "1"; private Page page = new Page(); private String firstOrLast = new String();//判断是否是首页或者是尾页private CalculatePage cal = new CalculatePage();private PicCriticismServices picCriticismServices;private int currentPage = 1;private List<PicCriticismTemp> list5 ;private String picCriticismId; public String addPicCriticism(){ System.out.println("进入评论先相片action"); System.out.println(this.getFirstOrLast()); System.out.println(pt.getPicName()+"相片名称"); page.setPageSize(5); //String sql = "select t.pic_criticism_content,t.piccriticismip,t.piccriticismtime,t.piccriticismname from t_pic_criticism t inner join t_picture pic on t.picture_id = pic.picture_id where pic.picture_name = '"+pt.getPicName()+"' order by t.pic_criticism_id desc"; String sql = "select t.pic_criticism_content,t.piccriticismip,t.piccriticismtime,t.piccriticismname from t_pic_criticism t inner join t_picture pic on t.picture_id = pic.picture_id where pic.picture_name = '"+pt.getPicName()+"' order by t.pic_criticism_id desc"; List<PicCriticismTemp> list4 = picCriticismServices.queryPicCriticismLength(sql); System.out.println("list4大小:"+list4.size()); page.setTotalResultNumbers(list4.size()); page.setTotalPage(cal.getTotalPage(page.getTotalResultNumbers(), page.getPageSize())); if(this.getFirstOrLast().equals("first")){ System.out.println("进入first"); currentPage = 1; }else if(this.getFirstOrLast().equals("last")){ //currentPage = page.getTotalPage(); currentPage = cal.getTotalPage(list4.size(), page.getPageSize()); System.out.println("last页尾:"+currentPage); }else if(this.getFirstOrLast().equals("next")){ currentPage = cal.nextPage(Integer.parseInt(this.getCurrentPage2()), cal.getTotalPage(list4.size(), page.getPageSize())); System.out.println("next页尾:"+currentPage); }else if(this.getFirstOrLast().equals("pre")){ currentPage = cal.previousPage(Integer.parseInt(this.getCurrentPage2())); System.out.println("pre页尾:"+currentPage); }else{ System.out.println("进入其他"); Date currentTime = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); pc.setPicCriticismContent(pt.getCriticismContent()); //System.out.println(pt.getCriticismIp()); pc.setPicCriticismIp(acu.getIpAddr(acu.getRequest())); System.out.println(acu.getIpAddr(acu.getRequest())+"ip是"); pc.setPicCriticismName(this.getPicCriticismName()); pc.setPicCriticismTime(formatter.format(currentTime)); pc.setPictureId(Integer.parseInt(this.getPicCriticismId())); System.out.println("评论内容:"+pt.getCriticismContent()); //System.out.println("评论者ip:"+this.getIpContent.split(";")[1]); System.out.println("评论ip:"+pt.getCriticismIp()); System.out.println("评论者昵称:"+this.getPicCriticismName()); System.out.println("评论相片ID:"+this.getPicCriticismId()); picCriticismServices.addPicCriticism(pc) ; currentPage = Integer.parseInt(this.getCurrentPage2()); System.out.println("添加成功"); } page.setCurrentPage(Integer.parseInt(this.getCurrentPage2())); System.out.println("当前是 :"+currentPage+":this:"+page.getCurrentPage()); page.setBeginIndex(cal.pageToRow(this.getCurrentPage(), page.getPageSize())); page.setEndIndex(cal.calLastIndex(this.getCurrentPage(), page.getPageSize())); System.out.println(page.getTotalResultNumbers()+"-------------"); //String sql = "from Criticism as criti where criti.articleId = ? order by criti.criticismId desc "; System.out.println(":begin"+page.getBeginIndex()+":endindex"+page.getEndIndex()); list5 = picCriticismServices.queryPicCriticism(sql, cal.pageToRow(this.getCurrentPage(), page.getPageSize()), cal.calLastIndex(this.getCurrentPage(), page.getPageSize())); sc.setCurrentPage(this.getCurrentPage()); sc.setTotalPage(cal.getTotalPage(list4.size(), page.getPageSize())); System.out.println("总共"+cal.getTotalPage(list4.size(), page.getPageSize())); //sc.setPictureName(pt.getPicName()); //sc.setPicDetail(this.getPictureDetail()); list5.add(sc); System.out.println(list5.size()+"list5.size"); for(PicCriticismTemp pt :list5){ System.out.println(pt.getCriticismContent()+":"+pt.getCriticismIp()+":"+pt.getCriticismName()+":"+pt.getCriticismTime()+":"); } return "success"; }@Overridepublic PicCriticismTemp getModel() {return pt;}public PicCriticismTemp getPt() {return pt;}public void setPt(PicCriticismTemp pt) {this.pt = pt;}public String getCurrentPage2() {return currentPage2;}public void setCurrentPage2(String currentPage2) {this.currentPage2 = currentPage2;}public Page getPage() {return page;}public void setPage(Page page) {this.page = page;}public String getFirstOrLast() {return firstOrLast;}public void setFirstOrLast(String firstOrLast) {this.firstOrLast = firstOrLast;}public CalculatePage getCal() {return cal;}public void setCal(CalculatePage cal) {this.cal = cal;}public PicCriticismServices getPicCriticismServices() {return picCriticismServices;}public void setPicCriticismServices(PicCriticismServices picCriticismServices) {this.picCriticismServices = picCriticismServices;}public int getCurrentPage() {return currentPage;}public void setCurrentPage(int currentPage) {this.currentPage = currentPage;}public SuperPicCriticims getSc() {return sc;}public void setSc(SuperPicCriticims sc) {this.sc = sc;}public String getPicCriticismId() {return picCriticismId;}public void setPicCriticismId(String picCriticismId) {this.picCriticismId = picCriticismId;}public PicCriticism getPc() {return pc;}public void setPc(PicCriticism pc) {this.pc = pc;}public String getPicCriticismName() {return picCriticismName;}public void setPicCriticismName(String picCriticismName) {this.picCriticismName = picCriticismName;}public List<PicCriticismTemp> getList5() {return list5;}public void setList5(List<PicCriticismTemp> list5) {this.list5 = list5;}public String getPictureDetail() {return pictureDetail;}public void setPictureDetail(String pictureDetail) {this.pictureDetail = pictureDetail;}}package test;import cn.ljzblog.ljz.model.Criticism;import cn.ljzblog.ljz.model.PicCriticismTemp;public class SuperPicCriticims extends PicCriticismTemp { private int totalPage; private int currentPage; private String picLoginTime; private String picDetail; private String pictureName; public int getTotalPage() {return totalPage;}public void setTotalPage(int totalPage) {this.totalPage = totalPage;}public int getCurrentPage() {return currentPage;}public void setCurrentPage(int currentPage) {this.currentPage = currentPage;}public String getPicLoginTime() {return picLoginTime;}public void setPicLoginTime(String picLoginTime) {this.picLoginTime = picLoginTime;}public String getPicDetail() {return picDetail;}public void setPicDetail(String picDetail) {this.picDetail = picDetail;}public String getPictureName() {return pictureName;}public void setPictureName(String pictureName) {this.pictureName = pictureName;} } var firstOrLast='none'; var params;function go() {validate('next')}function end() {validate('last');}function first() {validate('first');}function gg() {validate('pre')} var validate = function(flag) { if(flag=='none'){ //alert(flag+"证明可以啊"); params ={ CriticismIp:$("#picCriticismIp").val(), CriticismContent:$("#picCriticismContent").val(), firstOrLast:flag, picName:$("#currentPicName").val(), picCriticismId:$("#picCriticismId").val(), picCriticismName:$("#picCriticismName").val(), currentPage2:$("#currentPage2").val() } }else{ params ={ picCriticismId:$("#picCriticismId").val(), picName:$("#currentPicName").val(), firstOrLast:flag, currentPage2:$("#currentPage2").val() } } if(flag=='query'){ firstOrLast='first'; }else if(flag=='first'){ firstOrLast = 'first'; }else if(flag == 'pre'){ firstOrLast ='pre'; }else if(flag == 'next'){ firstOrLast ='next'; }else if(flag == 'last'){ firstOrLast ='last'; }else if(flag == 'none'){ firstOrLast ='none'; if(params.picCriticismName==""){ alert("昵称不能为空"); return ; }else if(params.CriticismContent==""){ alert("评论内容不能为空"); return ; } } var url='addPicCriticism.action'; $.ajax({ url:url, type:'post', dataType:'json', data:params, success:function(data){ var index = 0; var tar = "<TABLE style="BORDER-COLLAPSE: collapse" border="0" cellSpacing="0"><TBODY>"; tar+="<tr><td align="left" colspan="2">网友评论:</td></tr>"; $.each(data.list5,function(i,value){ index = i; tar+="<tr id=0"+i+"><td align="left">"+(i+1)+" "+value.criticismName+"说: "+value.criticismContent+"</td></tr>"; tar+="<tr id=1"+i+"><td align="left">ip："+value.criticismIp+"</td>  <td align="left"> 时间 :"+value.criticismTime+"</td></tr>"; }) tar+="<tr><td colspan="2"> <table align="left" width="100%" id="table1" style="display:none">";tar +="<tr><td align="left"><a href="javascript:void(0)"><font id="totalpage" color=blue></font></a></td>";tar+="<td align="left"><a href="javascript:void(0)"><font id="currentpage" color=blue></font><font id="totalpage2" color=blue></font></a>";tar+="</td><td><a onclick="first()" style="cursor: hand"><font color=blue>首页</font></a></td>";tar+="<td><a onclick="gg()" style="cursor: hand"><font color=blue>上一页</font></a></td><td>";tar+="<a onclick="go()" style="cursor: hand"><font color=blue>下一页</font></a></td><td>";tar+="<a onclick="end()" style="cursor: hand"><font color=blue>尾页</font></a></td></tr>";tar+="</table></tr>"; tar+="</TBODY></TABLE>"; $('#result').html(tar); var totalpage = data.list5[index].totalPage; var currentpage = data.list5[index].currentPage; $('#totalpage').html("总共"+totalpage+"页"); $('#currentpage').html("当前"+currentpage+"/"); $('#totalpage2').html(totalpage+"页"); $("#currentPage2").val(currentpage); $('#0'+index).hide(); $('#1'+index).hide(); if(index==0){ $("#table1").hide(); var nocontent = "<span align="left" ><font color="red">沙发空缺中，请您快----------</font></span>"; $('#result').html(nocontent); }else{ $("#table1").show(); } } }); }