2019-08-07更新 增加API接口

src/main/java/cn/hellohao/controller/ExceptionHandling.java

@@ -0,0 +1,68 @@
+package cn.hellohao.controller;
+
+import cn.hellohao.exception.StorageSourceInitException;
+import cn.hellohao.utils.Print;
+import org.springframework.validation.BindException;
+import org.springframework.validation.ObjectError;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.servlet.ModelAndView;
+
+import java.net.SocketException;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author Hellohao
+ * @version 1.0
+ * @date 2019/8/6 8:57
+ */
+
+@ControllerAdvice
+public class ExceptionHandling {
+
+    @ExceptionHandler
+    //@ResponseBody
+    public ModelAndView test(StorageSourceInitException ssie){
+        ModelAndView modelAndView = new ModelAndView("index");
+        Print.Normal("异常拦截成功："+ ssie.getMessage());
+        modelAndView.addObject("error",ssie.getMessage());
+        //返回错误信息，并显示给用户
+        return modelAndView;
+    }
+
+    @ExceptionHandler
+    public String test4(SocketException e){
+        ModelAndView modelAndView = new ModelAndView("/index");
+        Print.Normal("存储源配置不正确，初始化失败"+ e.getMessage());
+        modelAndView.addObject("error",e.getMessage());
+        //返回错误信息，并显示给用户
+        return e.getMessage();
+    }
+    @ExceptionHandler
+    public String test3(Exception e){
+        ModelAndView modelAndView = new ModelAndView("/index");
+        Print.Normal("系统内部错误："+ e.getMessage());
+        modelAndView.addObject("error",e.getMessage());
+        //返回错误信息，并显示给用户
+        return e.getMessage();
+    }
+
+
+//    @ExceptionHandler
+//    public String methodArgumentNotValid(BindException e) {
+//        List<ObjectError> allErrors = e.getBindingResult().getAllErrors();
+//        StringBuilder errorMessage = new StringBuilder();
+//        for (int i = 0; i < allErrors.size(); i++) {
+//            ObjectError error = allErrors.get(i);
+//            errorMessage.append(error.getDefaultMessage());
+//            if (i != allErrors.size() - 1) {
+//                errorMessage.append(", ");
+//            }
+//        }
+//        // do something
+//        System.out.println(errorMessage.toString());// 这里面是错误信息
+//        return errorMessage.toString();
+//    }
+
+}