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
 
 
 












<%--这里是弹出层表单（修改）--%>

 
  
   新闻标题
    
    
   
   新闻摘要
    
    
   
   作者
    
    
   
   
    
     
     
    
   
  
 



<%--这里是弹出层表单（添加）--%>

 
  
   新闻标题
    
    
   
   新闻摘要
    
    
   
   作者

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。

文章标题：layui+SSM的数据表的增删改实例(利用弹框添加、修改)
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