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本篇文章给大家通过示例介绍一下使用SSM+BootStrap实现增删改查和头像上传效果的方法。
【相关推荐：《bootstrap教程》】
先看界面
点击编辑之后
具体代码请往下看
一、jsp界面
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="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"><title>Insert title here</title></head><link href="${pageContext.request.contextPath }/bootstrap-3.3.7-dist/css/bootstrap.css" rel="stylesheet"></link><link href="${pageContext.request.contextPath }/bootstrap-fileinput/css/fileinput.css" media="all" rel="stylesheet" type="text/css" /><link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" media="all" rel="stylesheet" type="text/css" /><link href="${pageContext.request.contextPath }/bootstrap-fileinput/themes/explorer-fa/theme.css" media="all" rel="stylesheet" type="text/css" /><link href="${pageContext.request.contextPath }/bootstrap-table-develop/docs/dist/bootstrap-table.css" rel="stylesheet"></link><script src="${pageContext.request.contextPath }/bootstrap-3.3.7-dist/js/jquery.js"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/js/plugins/sortable.js" type="text/javascript"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/js/fileinput.js" type="text/javascript"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/js/locales/fr.js" type="text/javascript"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/js/locales/es.js" type="text/javascript"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/themes/explorer-fa/theme.js" type="text/javascript"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/themes/fa/theme.js" type="text/javascript"></script><script src="${pageContext.request.contextPath }/bootstrap-fileinput/js/locales/zh.js"></script><script src="${pageContext.request.contextPath }/bootstrap-3.3.7-dist/js/bootstrap.js"></script><script src="${pageContext.request.contextPath }/bootstrap-table-develop/docs/dist/bootstrap-table.js"></script><script src="${pageContext.request.contextPath }/bootstrap-table-develop/docs/dist/js/bootstrap-table-locale-all.js"></script><script src="${pageContext.request.contextPath }/bootstrap-table-develop/src/locale/bootstrap-table-zh-CN.js"></script><body> <table id="result" class="table table-hover" style="text-align: center;"> <thead style="text-align: center;"> <th data-field="stuid">学生编号</th> <th data-field="stuname">学生姓名</th> <th data-field="classes.classname">班级名称</th> <th data-field="userimage" data-formatter="image">头像</th> <th data-field="state" data-formatter="state">状态</th> <th data-field="caozuo" data-formatter="toolbar">操作</th> </thead> </table> <form action="#" id="formid" onsubmit="return false" enctype="multipart/form-data"> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button> <h4 class="modal-title" id="myModalLabel">学生信息修改</h4> </div> <div class="modal-body"> 学生编号：<input type="text" name="stuid" class="form-control" value="" readonly="readonly" /><br> 学生姓名：<input type="text" name="stuname" class="form-control" id="stuname" value=""><br> 所在班级：<select id="class" name="classesid" class="form-control"> </select> 当前头像： <div> <img alt="" style="width: 40px; height: 40px" id="img"> </div> 用户头像： <div class="file-loading"> <input id="file-fr" name="file" type="file" multiple> </div> <input type="hidden" id="userimage" name="userimage" value="" /> </div> <div class="modal-footer"> <button type="button" onclick="update()" class="btn btn-primary" data-dismiss="modal">提交更改</button> <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button> </div> </div> <!-- /.modal-content --> </div> <!-- /.modal --> </div> </form></body><script> $('#file-fr').fileinput({ theme : 'fa', language : 'zh', uploadAsync : true,//异步上传 uploadUrl : 'upload.do', allowedFileExtensions : [ 'jpg', 'png', 'gif', 'mp4' ], maxFileSize : 0, maxFileCount : 1 }).on("fileuploaded", function(event, data) { //异步上传成功结果处理 $("#userimage").val(data.response.src); })</script><script type="text/javascript"> $(function() { $("#result").bootstrapTable({ url : "selectAll.do", method : "post", cache : false, dataType : "json", contentType : "application/x-www-form-urlencoded",//post的方式提交的话需要写 toolbar : "#toolbar", toolbarAlign : "left", striped : true, pagination : true, sidePagination : "server", pageNumber : 1, pageSize : 5, pageList : [ 5, 10, 15 ], locale : "zh-CN", queryParamsType : "limit", queryParams : queryParams }); }); function queryParams(params) { var params = { pageSize : params.limit, pageCode : params.offset / params.limit + 1 }; return params; }; function state(value, row, index) { if (row['state'] === 0) { return "正常"; } if (row['state'] === 1) { return "锁定"; } return value; } function image(value, row, index) { return "<img src='"+row['userimage']+"' style='width:30px;height:30px;'/>"; } /*操作按钮*/ function toolbar(value, row, index) { var element = "<button type='button' onclick='edit(" + row.stuid + ")' class='btn btn-info'>编辑</button>" + "<button type='button' onclick='del(" + row.stuid + ")' class='btn btn-danger'>删除</button>" + "<button type='button' onclick='download(" + row.stuid + ")' class='btn btn-warning'>下载</button>"; return element; } /*编辑按钮，弹出模态框*/ function edit(stuid) { $("#class option").remove(); $("#formid")[0].reset(); $.ajax({ url : "editBystuid.do?stuid=" + stuid, type : "post", dataType : "json", success : function(data) { $('#myModal').modal('show'); $("[name=stuid]").val(data[0].stuid); $("#stuname").val(data[0].stuname); $("#userimage").val(data[0].userimage); $("#img").attr('src', data[0].userimage); $("#class").append( "<option value='"+data[0].calssesid+"'>" + data[0].classes.classname + "</option>"); } }); $.ajax({ url : "selectAllClass.do", type : "post", dataType : "json", success : function(data) { var obj = $("#class"); for (var i = 0; i < data.length; i++) { var op = "<option value='"+data[i].classesid+"'>" + data[i].classname + "</option>"; obj.append(op); } } }) }; /*修改操作*/ function update() { $.ajax({ url : "updateBystuid.do", type : "get", dataType : "text", data : $("#formid").serialize(), success : function(data) { if (data == "ok") { $("#result").bootstrapTable("refresh", { url : "selectAll.do" }); } else if (data == "error") { alert("修改失败！"); } } }); } /*删除操作*/ function del(stuid) { if (confirm('确定要删除吗？') == true) { $.ajax({ url : "delBystuid.do?stuid=" + stuid, type : "post", dataType : "text", success : function(data) { if (data == "ok") { $("#result").bootstrapTable("refresh", { url : "selectAll.do" }); } else if (data == "error") { alert("删除失败"); } } }) return false; } } /*下载*/ function download(stuid){ if(confirm('确定要下载头像？')==true){ location.href="download.do?stuid="+stuid; /* $.ajax({ url:"download.do?stuid="+stuid, type:"post", dataType:"json", success:function(data){ } }); */ } }</script></html>登录后复制二、Controller层代码
package com.llh.controller;import java.io.File;import java.io.IOException;import java.util.Date;import java.util.List;import java.util.Random;import javax.annotation.Resource;import javax.servlet.http.HttpServletRequest;import org.apache.commons.io.FileUtils;import org.springframework.context.annotation.Scope;import org.springframework.http.HttpHeaders;import org.springframework.http.HttpStatus;import org.springframework.http.MediaType;import org.springframework.http.ResponseEntity;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.ModelAttribute;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.multipart.MultipartFile;import com.github.pagehelper.PageHelper;import com.github.pagehelper.PageInfo;import com.llh.entity.Student;import com.llh.service.StudentService;import net.sf.json.JSONArray;@Controller@Scope("prototype")public class StudentController { @Resource private StudentService studentService; /** * 分页查询所有 * * @param pageCode * @param pageSize * @return */ @RequestMapping(value = "selectAll", produces = "text/html;charset=utf-8") public @ResponseBody String selectAll(int pageCode, int pageSize) { PageHelper.startPage(pageCode, pageSize); List<Student> slist = studentService.selectAll(); PageInfo<Student> spi = new PageInfo<Student>(slist); int count = (int) spi.getTotal(); JSONArray json = JSONArray.fromObject(slist); String str = "{\"total\":" + count + ",\"rows\":" + json.toString() + "}"; return str; } /** * 上传 * * @param request * @param file * @return * @throws IllegalStateException * @throws IOException */ @RequestMapping(value = "upload") public @ResponseBody String upload(HttpServletRequest request, MultipartFile file) throws IllegalStateException, IOException { String name = file.getOriginalFilename(); String path = request.getServletContext().getRealPath("/upload/");// 上传保存的路径 String fileName = changeName(name); String rappendix = "upload/" + fileName; fileName = path + "\\" + fileName; File file1 = new File(fileName); file.transferTo(file1); String str = "{\"src\":\"" + rappendix + "\"}"; return str; } public static String changeName(String oldName) { Random r = new Random(); Date d = new Date(); String newName = oldName.substring(oldName.indexOf('.')); newName = r.nextInt(99999999) + d.getTime() + newName; return newName; } /** * 编辑 * * @param stuid * @param session * @return */ @RequestMapping(value = "editBystuid", produces = "text/html;charset=utf-8") public @ResponseBody String editBystuid(Integer stuid) { System.out.println("编辑"); Student s = studentService.selectByPrimaryKey(stuid); JSONArray json = JSONArray.fromObject(s); String js = json.toString(); System.out.println(js); return js; } /** * 修改 * * @param stuid * @param stuname * @return */ @RequestMapping(value = "updateBystuid", produces = "text/html;charset=utf-8") public @ResponseBody String updateBystuid(@ModelAttribute Student s) { System.out.println("修改中"); System.out.println(s.getStuname() + s.getStuid()+s.getUserimage()); int a = studentService.updateByPrimaryKey(s); if (a != 0) { return "ok"; } return "error"; } /** * 下载 * * @param stuid * @return * @throws IOException */ @RequestMapping(value = "download", produces = "text/html;charset=utf-8") public ResponseEntity<byte[]> download(Integer stuid,HttpServletRequest request) throws IOException { Student s = studentService.selectByPrimaryKey(stuid); String path=request.getServletContext().getRealPath("\\"); String downpath = path+s.getUserimage(); File file1=new File(downpath); //String downloadFileName=new String(downpath.getBytes("UTF-8"),"iso-8859-1"); HttpHeaders heads=new HttpHeaders(); heads.setContentDispositionFormData("attachment", downpath); heads.setContentType(MediaType.APPLICATION_OCTET_STREAM); return new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file1), heads,HttpStatus.CREATED); }}登录后复制三、dao层和service层实体类就掠过了
这里使用到的有自动生成实体类，Maven的分页
具体操作请看首页
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