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layui+SSM的数据表的增删改实例(利用弹框添加、修改)
本人前端知识相当于小白，初学SSM时，了解了layui前端框架，所以开始研究了数据表的增删改查，由于js、ajax知识不是很好，所以百度了相关ajax操作，用以借鉴。希望能帮助有需要的初学者，不喜勿喷，另外有相关不足，希望大家可以指出，谢谢！
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注： 以下前端代码都是利用layui的框架，后台是SSM
前端：
<%-- Created by IntelliJ IDEA. User: SL Date: 2019/2/26 Time: 14:03 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %>layui在线调试
后台：
package com.sl.controller;
import com.sl.model.NewsDetail;
import com.sl.service.NewsDetailService;
import com.sl.util.DateUtil;
import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.time.format.DateTimeFormatter;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Controller
@RequestMapping("/news")
public class NewsDetailController {
/*注入NewsDetailService*/
/**
*
*/
@Autowired
private NewsDetailService newsDetailService;
@RequestMapping("/main")
@ResponseBody
private Map queryAll() {
Map map = new HashMap<>();
List list = newsDetailService.queryAll();
int count = newsDetailService.queryAllCount();
map.put("data", list);
map.put("code", 0);
map.put("count", count);
return map;
}
@RequestMapping(value = "/delete", method = RequestMethod.POST, produces = "application/json")
@ResponseBody
private Map deleteById(@RequestBody HashMap map2) {
Map map = new HashMap<>();
int id = Integer.parseInt(map2.get("id"));
int row = newsDetailService.deleteById(id);
if (row == 1) {
List list = newsDetailService.queryAll();
int count = newsDetailService.queryAllCount();
map.put("data", list);
map.put("returnCode", "200");
map.put("count", count);
map.put("code", 0);
return map;
} else {
map.put("code", 1);
return map;
}
}
@RequestMapping(value = "/mulDelete", method = RequestMethod.POST, produces = "application/json")
@ResponseBody
public Map mulDelete(@RequestBody HashMap map2){
Map map = new HashMap<>();
String ids = map2.get("ids");
String mulid[] = ids.split(",");
int row = 0;
for(int i=0; i list = newsDetailService.queryAll();
int count = newsDetailService.queryAllCount();
map.put("code", 0);
map.put("data", list);
map.put("count", count);
map.put("returnCode", "200");
return map;
} else {
map.put("code", -1);
return map;
}
}
@RequestMapping(value = "/update", method = RequestMethod.POST, produces = "application/json")
@ResponseBody
public Map updateById(@RequestBody HashMap map2) throws IOException {
Map map = new HashMap<>();
int id = Integer.parseInt(map2.get("id"));
String title = map2.get("newtitle");
String summary = map2.get("newsummary");
String author = map2.get("newauthor");
/*System.out.println(id+" "+title +" "+summary+" "+author);
System.out.println(1);
System.out.println(new Date());
System.out.println(DateUtil.getCurrentDateString());
System.out.println(2);*/
NewsDetail newsDetail = new NewsDetail();
newsDetail.setId(id);
newsDetail.setTitle(title);
newsDetail.setSummary(summary);
newsDetail.setAuthor(author);
newsDetail.setCreateDate(DateUtil.formatDate(new Date(), "yyyy-MM-dd HH-mm-ss"));
/*System.out.println(newsDetail.getCreateDate());
System.out.println(DateUtil.formatDate(new Date(), "yyyy-MM-dd HH-mm-ss"));*/
int row = newsDetailService.updateById(newsDetail);
if (row == 1) {
List list = newsDetailService.queryAll();
int count = newsDetailService.queryAllCount();
map.put("data", list);
map.put("count", count);
map.put("code", 0);
map.put("returnCode", "200");
return map;
} else {
map.put("code", 1);
return map;
}
}
@RequestMapping("/update2")
@ResponseBody
public Map update2(NewsDetail newsDetail) {
Map map = new HashMap<>();
/*newsDetail.setCreateDate(new Date());*/
int row = newsDetailService.updateById(newsDetail);
if (row == 1) {
List list = newsDetailService.queryAll();
int count = newsDetailService.queryAllCount();
map.put("data", list);
map.put("count", count);
map.put("code", 0);
return map;
} else {
map.put("code", 1);
return map;
}
}
@RequestMapping("/add")
@ResponseBody
public Map add(@RequestBody HashMap map2) {
Map map = new HashMap<>();
String title = map2.get("newtitle");
String summary = map2.get("newsummary");
String author = map2.get("newauthor");
NewsDetail newsDetail = new NewsDetail();
newsDetail.setTitle(title);
newsDetail.setSummary(summary);
newsDetail.setAuthor(author);
newsDetail.setCreateDate(DateUtil.formatDate(new Date(), "yyyy-MM-dd HH-mm-ss"));
boolean row = newsDetailService.addNews(newsDetail);
if (row) {
List list = newsDetailService.queryAll();
int count = newsDetailService.queryAllCount();
map.put("data", list);
map.put("count", count);
map.put("returnCode", "200");
map.put("code", 0);
return map;
} else {
map.put("code", 1);
return map;
}
}
}
亲测有效，希望大家提出不足！谢谢！另外后台里面有一个时间转换的类（DateUtil.formatDate（）），前端有一个例如url: '${ctx}/news/update/'，其中的${cxt}是一个指定的路径，后台写了一个类，这些有需要的，可以看我的博客，谢谢！
以上这篇layui+SSM的数据表的增删改实例(利用弹框添加、修改)就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持创新互联。
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