springboot跨域设置-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_51877793/article/details/136708622

springboot跨域设置

在Springboot项目里加上这个配置文件CorsConfig.java，重启之后即可实现跨域访问，前端无需再配置跨域。

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@Configuration
public class CorsConfig {

    // 当前跨域请求最大有效时长。这里默认1天
    private static final long MAX_AGE = 24 * 60 * 60;

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("http://localhost:8080"); // 1 设置访问源地址
        corsConfiguration.addAllowedHeader("*"); // 2 设置访问源请求头
        corsConfiguration.addAllowedMethod("*"); // 3 设置访问源请求方法
        corsConfiguration.setMaxAge(MAX_AGE);
        source.registerCorsConfiguration("/**", corsConfiguration); // 4 对接口配置跨域设置
        return new CorsFilter(source);
    }
}

Vue端跨域

created(){
    //请求分页查询数据
    this.load()
  },

  methods:{
    load(){
      fetch("http://localhost:9090/dish/page?pageNum="+this.pageNum+"&pageSize="+this.pageSize+"&dishName="+this.dishName)
              .then(res => res.json()).then(res =>{
        console.log(res)
        this.tableData = res.data
        this.total = res.total
      })
    },