zoukankan      html  css  js  c++  java
  • springmvc入门

    1配置坐标

        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
          <version>5.0.5.RELEASE</version>
        </dependency>

    2配置springmvc前端控制器

        <servlet>
            <servlet-name>DispatcherServlet</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
            <init-param>
                <param-name>contextConfigLocation</param-name>
                <param-value>classpath:spring-mvc.xml</param-value>
            </init-param>
            <load-on-startup>1</load-on-startup><!--启动时就开始加载 默认为第一次访问时在加载-->
        </servlet>
    
        <servlet-mapping>
            <servlet-name>DispatcherServlet</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>

    3编写controller层代码和映射试图界面 并配置好

    package com.jc.controller;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    @Controller
    public class UserController {
        @RequestMapping("/quick")//映射地址
        public String save(){
            System.out.println("control is runing");
            return "success.jsp";
        }
    }

    4组件扫描

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:context="http://www.springframework.org/schema/context"
    
           xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
                               http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
    <!--    mvc组件扫描-->
        <context:component-scan base-package="com.jc.controller">
    
        </context:component-scan>
    </beans>


    @RequestMapping(value = "/user",method = RequestMethod.POST,params = {"username"})//映射地址 这里加一行 访问时地址为路径/user/quick

    params代表必须要有的参数 可以是表达式 类型为数组

  • 相关阅读:
    机器学习:特征选择方法简介
    VS快捷键
    非常适用的Sourceinsight插件,提高效率【强力推荐】
    Linux静态库和共享库
    C/C++ 位域知识小结
    __BEGIN_DECLS 和 __END_DECLS
    C语言可变参数va_list
    mac的terminal快捷键
    linux进程、线程与cpu的亲和性(affinity)
    C++ Singleton (单例) 模式最优实现
  • 原文地址:https://www.cnblogs.com/ziwang520/p/15799984.html
Copyright © 2011-2022 走看看