跨域

guyue

5 天以前 c3f9a20ad3d4615953c04f55b3080148738446ee

跨域

 src/main/java/com/linghu/LingHuApplication.java

@@ -10,7 +10,7 @@

    public static void main(String[] args) {
        SpringApplication.run(LingHuApplication.class, args);
        System.out.println("(♥◠‿◠)ﾉﾞ 启动成功   ლ(´ڡ`ლ)ﾞ");
        System.out.println("(♥◠‿◠)ﾉﾞ 灵狐geo启动成功   ლ(´ڡ`ლ)ﾞ");
    }

}

 src/main/java/com/linghu/config/CorsConfig.java

New file
@@ -0,0 +1,31 @@
package com.linghu.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class CorsConfig {

    /**
     * 全局跨域配置
     * 作用于所有控制器
     */
    @Bean
    public WebMvcConfigurer corsConfigurer() {
        return new WebMvcConfigurer() {
            @Override
            public void addCorsMappings(CorsRegistry registry) {
                registry.addMapping("/**")  // 所有路径
                        .allowedOriginPatterns("*") // 允许所有来源（支持通配符，Spring 5.3+）
                        // .allowedOrigins("http://localhost:3000", "https://yourdomain.com") // 指定来源
                        .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS") // 允许的HTTP方法
                        .allowedHeaders("*") // 允许所有请求头
                        .exposedHeaders("Authorization", "Content-Disposition") // 暴露的响应头
                        .allowCredentials(true) // 允许发送凭证（如cookies）
                        .maxAge(3600); // 预检请求缓存时间（秒）
            }
        };
    }
}

 src/main/java/com/linghu/controller/KeywordController.java

@@ -1,10 +1,16 @@
package com.linghu.controller;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.linghu.listener.KeywordExcelListener;
import com.linghu.mapper.KeywordMapper;
import com.linghu.model.common.ResponseResult;

import com.linghu.model.entity.Keyword;
import com.linghu.model.entity.Reference;
import com.linghu.model.excel.KeywordExcel;
import com.linghu.model.excel.PlatformExcel;
import com.linghu.model.vo.KeywordStaticsListVO;
import com.linghu.model.vo.KeywordStaticsVO;
import com.linghu.model.vo.PlatformProportionVO;
@@ -17,10 +23,13 @@
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@@ -202,4 +211,40 @@
        return ResponseResult.success("删除成功");
    }

    // 下载模板
    @PostMapping("/downloadTemplate")
    @ApiOperation("下载模板")
    public ResponseEntity<byte[]> downloadTemplate() throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        EasyExcel.write(out, KeywordExcel.class).sheet("关键词模板").doWrite(new ArrayList<>());

        return ResponseEntity.ok()
                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=keyword_template.xlsx")
                .contentType(MediaType.APPLICATION_OCTET_STREAM)
                .body(out.toByteArray());
    }

    // 导入文件
    @PostMapping("/import")
    @ApiOperation("导入关键词数据")
    public ResponseResult<String> importPlatforms(@RequestParam("file") MultipartFile file) {
        try {
            if (file.isEmpty()) {
                return ResponseResult.error("上传文件不能为空");
            }
            // 创建数据监听器
            KeywordExcelListener listener = new KeywordExcelListener();
            EasyExcel.read(file.getInputStream(), KeywordExcel.class, listener)
                    .sheet()
                    .doRead();
            // 获取并合并关键词
            String mergedKeywords = String.join("\n", listener.getMergedKeywords());
            return ResponseResult.success(mergedKeywords);
        } catch (IOException e) {
            return ResponseResult.error("文件读取失败：" + e.getMessage());
        } catch (Exception e) {
            return ResponseResult.error("导入失败：" + e.getMessage());
        }
    }

}