上传代码

src/main/java/com/nis/web/test/HelloWorldController.java

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+package com.nis.web.test;
+
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+
+
+
+
+
+
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+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.ResponseBody;
+import org.springframework.web.bind.annotation.SessionAttributes;
+import org.springframework.web.servlet.ModelAndView;
+
+import com.nis.domain.SysMenu;
+import com.nis.web.controller.BaseController;
+import com.nis.web.service.UserService;
+
+
+@SessionAttributes(value="userObject")
+@RequestMapping("/helloworld")
+public class HelloWorldController extends BaseController{
+	
+	
+	@RequestMapping("/hello")
+	public String hello(){
+		return "success";
+	}
+	
+	/**
+	 * requestMapping 参数有value(url),method(request method),params,headers
+	 * @return
+	 */
+	@RequestMapping(value="/testMethod",method=RequestMethod.POST)
+	public String testMethod(){
+		return "success";
+	}
+	
+	/**
+	 * params 参数为数组，包含username属性并且age参数的值不为10
+	 * @return
+	 */
+	@RequestMapping(value="/testParams",params={"username","age!=10"},headers={"Accept-Language=en-US"})
+	public String testParams() {
+		return "success";
+	}
+	
+	/**
+	 * 使用通配符映射请求参数
+	 * ?一个字符 
+	 * *多个字符
+	 * **多级目录
+	 * @return
+	 */
+	@RequestMapping("/testAntPath/*/test")
+	public String testAntPath() {
+		return "success";
+	}
+	
+	@RequestMapping("/testPathVariable/{id}")
+	public String testPathVariable(@PathVariable("id") int id){
+		System.out.println(id);
+		return "success";
+	}
+	
+	/**
+	 * @RequestParam 参数value代表url参数名，required：是否必须传入，defaultValue,为空时默认值为。
+	 * 
+	 * @param username
+	 * @param age
+	 * @return
+	 */
+	@RequestMapping(value="/testRequestParam")
+	public String testRequestParam(@RequestParam(value="username",required=true) String username,@RequestParam(required=false,defaultValue="0") int age){
+		System.out.println(username+":"+age);
+		return "success";
+	}
+	
+	
+	
+	
+	
+	/**
+	 * 通过modelandview 传递数据与视图
+	 * @param map
+	 * @return
+	 */
+	@RequestMapping("/testModelAndView")
+	public ModelAndView testModelAndView(){
+		String viewName = "success";
+		ModelAndView modelAndView = new ModelAndView(viewName);
+		
+		modelAndView.addObject("time", new Date());
+		
+		return modelAndView;
+	}
+	
+	/**
+	 * 通过自动注解map对象传递数据
+	 * @param map
+	 * @return
+	 */
+	@RequestMapping("/testMap")
+	public String  testMap(Map<String,Object> map){
+		map.put("names", Arrays.asList("A","B","C"));
+		return "success";
+	}
+	
+	
+	
+	
+
+}