配置跨域过滤器

mitao

7 天以前 78bfb29d03a127cd6961ad5e99a396ec8f4e8668

配置跨域过滤器

 src/main/java/com/cl/filter/CrossOriginFilter.java

New file
@@ -0,0 +1,54 @@
package com.cl.filter;


import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 统一配置跨域处理
 */
@Order(-100)
@Component
@ServletComponentScan
@WebFilter(urlPatterns = "/*",filterName = "crossOriginFilter")
public class CrossOriginFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        // 允许哪些Origin发起跨域请求
        // response.setHeader( "Access-Control-Allow-Origin", config.getInitParameter( "AccessControlAllowOrigin" ) );
        response.setHeader( "Access-Control-Allow-Origin", "*" );
        // 允许请求的方法
        response.setHeader( "Access-Control-Allow-Methods", "POST,GET,OPTIONS,DELETE,PUT" );
        //多少秒内,不需要再发送预检验请求，可以缓存该结果
        response.setHeader( "Access-Control-Max-Age", "3600" );
        // 表明它允许跨域请求包含xxx头
        response.setHeader( "Access-Control-Allow-Headers", "x-auth-token,Origin,Access-Token,X-Requested-With,Content-Type, Accept, Authorization" );
        //是否允许浏览器携带用户身份信息（cookie）
        response.setHeader( "Access-Control-Allow-Credentials", "true" );
        //prefight请求
        if (request.getMethod().equals( "OPTIONS" )) {
            response.setStatus( 204 );
            return;
        }
        filterChain.doFilter( servletRequest, response );
    }

    @Override
    public void destroy() {

    }
}

 src/main/resources/application-dev.yml

@@ -4,6 +4,7 @@
spring:
  main:
    allow-circular-references: true
    allow-bean-definition-overriding: true
  datasource:
      url: jdbc:mysql://127.0.0.1:3306/canlian?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
      username: root

 src/main/resources/application-prod.yml

@@ -4,6 +4,8 @@
spring:
  main:
    allow-circular-references: true
    allow-bean-definition-overriding: true

  datasource:
      url: jdbc:mysql://172.192.3.1:3306/canlian?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
      username: remote