SSM整合的前后端流程，已提供相关代码（四）数据的展示

2020-11-19 15:36:18 浏览数 (1)

编写查询数据

先写jsp页面

代码语言：javascript复制
<%--
  Created by IntelliJ IDEA.

  Date: 2020/9/23
  Time: 13:55
  To change this template use File | Settings | File Templates.
--%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme()   "://"   request.getServerName()   ":"   request.getServerPort()   path   "/";
%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
  <head>
   <base href="<%=basePath %>"/>
    <title>$Title$</title>

      <style type="text/css">
          a {
              text-decoration: none;
              color: black;
              font-size: 18px;
          }
          h3 {
              width: 180px;
              height: 38px;
              margin: 100px auto;
              text-align: center;
              line-height: 38px;
              background: deepskyblue;
              border-radius: 4px;
          }
      </style>
  </head>
  <body>
  <h3>
      <a href="${pageContext.request.contextPath}/book/allBook">点击进入列表页</a>
  </h3>
  </body>
</html>
代码语言：javascript复制
<%--
  Created by IntelliJ IDEA.
  User: 刘靖
  Date: 2020/9/23
  Time: 15:14
  To change this template use File | Settings | File Templates.
--%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme()   "://"   request.getServerName()   ":"   request.getServerPort()   path   "/";
%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
<head>
    <title>书籍列表</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- 引入 Bootstrap -->
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>

<div class="container">

    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-header">
                <h1>
                    <small>书籍列表 —— 显示所有书籍</small>
                </h1>
            </div>
        </div>
    </div>

    <div class="row">
        <div class="col-md-4 column">
            <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增</a>
        </div>
    </div>

    <div class="row clearfix">
        <div class="col-md-12 column">
            <table class="table table-hover table-striped">
                <thead>
                <tr>
                    <th>书籍编号</th>
                    <th>书籍名字</th>
                    <th>书籍数量</th>
                    <th>书籍详情</th>
                    <th>操作</th>
                </tr>
                </thead>

                <tbody>
                <c:forEach var="book" items="${requestScope.get('list')}">
                    <tr>
                        <td>${book.getBookID()}</td>
                        <td>${book.getBookName()}</td>
                        <td>${book.getBookCounts()}</td>
                        <td>${book.getDetail()}</td>
                        <td>
                            <a href="${pageContext.request.contextPath}/book/toUpdateBook?id=${book.getBookID()}">更改</a> |
                            <a href="${pageContext.request.contextPath}/book/del/${book.getBookID()}">删除</a>
                        </td>
                    </tr>
                </c:forEach>
                </tbody>
            </table>
        </div>
    </div>
</div>
</body>
</html>
代码语言：javascript复制
@Controller
@RequestMapping("/book")
public class BookController {

    @Autowired
    @Qualifier("BookServiceImpl")
    private BookService bookService;

    @RequestMapping("/allBook")
    public String list(Model model) {
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list", list);
        System.out.println(list.toString());
        return "allBook";
    }
}
jsp 数据

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