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  • Spring(七)参数的自动装配和路径变量

    1.首先准备一个车类,书类和一个用户类

    @Controller
    @RequestMapping("/Logger")
    public class UserInfoController {
        @RequestMapping("/login")
        public String doLogin(String username,String password){
    
            System.out.println(username);
            System.out.println(password);
            return "success";
        }
    
      
        //对象属性自动装配
        @RequestMapping("/loginproperty")
        public String doProperty(UserInfo userInfo,Model model){
            model.addAttribute("uname",userInfo.getUsername());
            System.out.println(userInfo.getUsername());
            System.out.println(userInfo.getPassword());
    
            return "success";
        }
        //域属性装配
        @RequestMapping("/loginArea")
        public String doArea(UserInfo userInfo,Model model){
            model.addAttribute("uname",userInfo.getUsername());
            System.out.println(userInfo.getUsername());
            System.out.println(userInfo.getPassword());
            System.out.println(userInfo.getCar().getBrand());
            return "success";
        }
        //集合参数装配
        @RequestMapping("/loginbook")
        public String doBook(UserInfo userInfo,Model model){
            model.addAttribute("uname",userInfo.getUsername());
            System.out.println(userInfo.getUsername());
            System.out.println(userInfo.getPassword());
            System.out.println(userInfo.getCar().getBrand());
            System.out.println(userInfo.getBooks().get(0).getBookname());
            System.out.println(userInfo.getBooks().get(1).getBookname());
            return "success";
        }
    }
    

      在SpringMVC.xml里

    在JSP上:

    <%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
        <form action="/Logger/loginbook" method="post">
            用户:<input name="username"/><br/>
            密码:<input name="password"/><br/>
            车1:<input name="car.brand"/><br/>
            书1:<input name="books[0].bookname">
            书2:<input name="books[1].bookname">
            <input type="submit" value="登陆"/>
    
        </form>
    </body>
    </html>
    

      下面是路径变量:@PathVariable

    在jsp里:

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  • 原文地址:https://www.cnblogs.com/a157/p/8674498.html
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