Controller & Service

src/spring/demo/control/DemoController.java

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+package spring.demo.control;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.servlet.ModelAndView;
+
+import spring.demo.service.DemoService;
+
+/**
+ * 
+ * @Description: Controller
+ * @author: Bing Yue
+ */
+@Controller
+public class DemoController {
+	
+	@Autowired  
+	private DemoService demoService;
+	
+
+	@RequestMapping("login")
+	private ModelAndView login(@RequestParam(value = "username", required = false)String username,
+			@RequestParam(value = "password", required = false)String password){
+		   String result=demoService.Verify(username,password);
+		   ModelAndView mv=new ModelAndView();
+		  //添加模型，可以是任意的POJO对象
+		  mv.addObject("validation",result);
+		  //设置逻辑视图名，视图解析器会根据该名字解析到具体的视图页面
+		  //即cityAir.jsp
+		  mv.setViewName("result");
+		  return mv;
+	}
+	
+}

src/spring/demo/service/DemoService.java

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+package spring.demo.service;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class DemoService {
+
+	public String Verify(String username,String password){
+		
+		if(username.equals("admin") && password.equals("admin")){
+			return "Login Success！";
+		}else{
+			return "Login Failed,Please Try Again！";
+		}
+	}
+}