com.cloud.boot.exception.errorPage.BaseErrorPage Maven / Gradle / Ivy

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package com.cloud.boot.exception.errorPage;

import com.cloud.boot.applicationcontext.SystemInfo;
import com.cloud.boot.applicationcontext.init.BeanContextHolder;
import com.cloud.boot.exception.ExceptionCustomNotFoundPage;
import com.cloud.boot.util.TypeConvert;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.error.ErrorAttributes;
import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.context.request.ServletWebRequest;
import java.util.Map;

/**
 * 方法1：Spring Boot 将所有的错误默认映射到/error， 实现ErrorController
 * @author wg
 *
 */
@Controller
@RequestMapping("/error")
public class BaseErrorPage implements ErrorController {

    @Autowired
    private ErrorAttributes errorAttributes;

    public String getErrorPath() {
        Map map = errorAttributes.getErrorAttributes(new ServletWebRequest(BeanContextHolder.getRequest()), true);
        return TypeConvert.isNull(map.get("path")) ? "" : map.get("path").toString();
    }

    @RequestMapping
    public String error() throws ExceptionCustomNotFoundPage {
        throw new ExceptionCustomNotFoundPage("http://" + SystemInfo.getHost() + ":" + SystemInfo.getPort() + getErrorPath() + "　访问地址不存在");
    }

}