Spring 梳理 - JavaConfig实战

AppInitializer.java

package com.jt;

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

public class AppInitializer   extends AbstractAnnotationConfigDispatcherServletInitializer{
      @Override
      protected Class<?>[] getRootConfigClasses() {
        return new Class<?>[] { RootConfig.class };
      }

      @Override
      protected Class<?>[] getServletConfigClasses() {
        return new Class<?>[] { WebConfig.class };
      }

      @Override
      protected String[] getServletMappings() {
        return new String[] { "/" };
      }

    }

RootConfig.java

package com.jt;

import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ComponentScan.Filter;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

@Configuration
public class RootConfig {

}

WebConfig.java

package com.jt;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Configuration
@EnableWebMvc
@ComponentScan("com.jt")
public class WebConfig extends WebMvcConfigurerAdapter {
    public WebConfig(){
        System.out.println("WebConfig");
    }
    @Bean
    public ViewResolver viewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/views/");
        resolver.setSuffix(".jsp");
        resolver.setExposeContextBeansAsAttributes(true);
        return resolver;
    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
}

HelloControl.java

package com.jt;

import java.sql.Date;
import java.util.Map;

import javax.validation.Valid;

import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.Errors;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RequestMethod.*;

import com.myOrg.DeptUserDomain;

@Controller
@RequestMapping(value = "/FirstControl")
public class HelloControl {
    @RequestMapping(value="/registerDeptUser",method=RequestMethod.GET)
    public String register(){
        
        return "registerDeptUser";
    }
}

registerDeptUser.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!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=ISO-8859-1"> <title>Insert title here</title> </head> <body> <form method="post"> id:<input type="text" name="id" /><br /> name:<input type="text" name="name" /><br /> <input type="submit" value="submit" /> </form> </body> </html>

运行
参考：https://blog.csdn.net/bufanqi_info/article/details/78922534

Spring 梳理 - JavaConfig实战

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