SpringBoot 利用thymeleaf自定義錯誤頁面
阿新 • • 發佈:2020-11-26
匯入thymeleaf
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency>
自定義異常類
建立監聽異常類
MyException.class
package com.example.demo.domain; public class MyException extends RuntimeException { private int code; private String msg; public MyException(int code,String msg) { this.code = code; this.msg = msg; } public int getCode() { return code; } public void setCode(int code) { this.code = code; } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } }
CustomExtHandle 監測異常
package com.example.demo.domain; import org.slf4j.LoggerFactory; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import java.util.HashMap; import java.util.Map; import java.util.logging.Logger; @RestControllerAdvice public class CustomExtHandle { // 捕獲全域性異常 @ExceptionHandler(value = Exception.class) Object handleException(Exception e,HttpServletRequest request) { Map<String,Object> map = new HashMap<>(); map.put("code",100); map.put("msg",e.getMessage()); map.put("url",request.getRequestURL()); return map; } // 如果是Myexception類 @ExceptionHandler(value = MyException.class) Object handleMyException(MyException e,HttpServletRequest request) { ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("error.html"); // 指定錯誤跳轉頁面 需要在templates裡面新建 一個error.html modelAndView.addObject("msg",e.getMsg()); modelAndView.addObject("code",e.getCode()); modelAndView.addObject("url",request.getRequestURL()); return modelAndView; // 當然這裡也可以返回json資料 前後臺分離的話直接返回一個json即可 } }
template/error.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>出異常了</h1> <span>錯誤資訊:</span><h1 th:text="${msg}"></h1> // 獲取變數 <span>錯誤狀態碼:</span><h1 th:text="$[code]"></h1> <span>失敗API地址:</span><h1 th:text="${url}"></h1> </body> </html>
使用
@RequestMapping("/user_info") public Map<String,String> testMap() { throw new MyException(500,"手動丟擲"); }
效果
以上就是SpringBoot 利用thymeleaf自定義錯誤頁面的詳細內容,更多關於SpringBoot 自定義錯誤頁面的資料請關注我們其它相關文章!