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refactor(sa-base): 优化响应工具类 SmartResponseUtil

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- 使用常量 MediaType.APPLICATION_JSON_VALUE 替代硬编码的 "application/json"- 使用 UTF_8 常量替代 "utf-8" 字符串
- 移除不必要的异常捕获
- 优化文件下载头信息设置方法
This commit is contained in:
CoderKK 2025-01-15 10:47:55 +08:00
parent db5e0062a0
commit ae753844c7
1 changed files with 13 additions and 16 deletions
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29
smart-admin-api-java17-springboot3/sa-base/src/main/java/net/lab1024/sa/base/common/util/SmartResponseUtil.java
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@ -9,8 +9,10 @@ import org.springframework.http.MediaType;
import org.springframework.http.MediaTypeFactory; import org.springframework.http.MediaTypeFactory;
import java.io.IOException; import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder; import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import static cn.hutool.core.util.CharsetUtil.UTF_8;
/** /**
* 返回工具栏 * 返回工具栏
@ -27,8 +29,8 @@ public class SmartResponseUtil {
public static void write(HttpServletResponse response, ResponseDTO<?> responseDTO) { public static void write(HttpServletResponse response, ResponseDTO<?> responseDTO) {
// 重置response // 重置response
response.setContentType("application/json"); response.setContentType(MediaType.APPLICATION_JSON_VALUE);
response.setCharacterEncoding("utf-8"); response.setCharacterEncoding(UTF_8);
try { try {
response.getWriter().write(JSON.toJSONString(responseDTO)); response.getWriter().write(JSON.toJSONString(responseDTO));
@ -44,20 +46,15 @@ public class SmartResponseUtil {
} }
public static void setDownloadFileHeader(HttpServletResponse response, String fileName, Long fileSize) { public static void setDownloadFileHeader(HttpServletResponse response, String fileName, Long fileSize) {
response.setCharacterEncoding("utf-8"); response.setCharacterEncoding(UTF_8);
try { if (fileSize != null) {
if (fileSize != null) { response.setHeader(HttpHeaders.CONTENT_LENGTH, String.valueOf(fileSize));
response.setHeader(HttpHeaders.CONTENT_LENGTH, String.valueOf(fileSize)); }
}
if (SmartStringUtil.isNotEmpty(fileName)) { if (SmartStringUtil.isNotEmpty(fileName)) {
response.setHeader(HttpHeaders.CONTENT_TYPE, MediaTypeFactory.getMediaType(fileName).orElse(MediaType.APPLICATION_OCTET_STREAM) + ";charset=utf-8"); response.setHeader(HttpHeaders.CONTENT_TYPE, MediaTypeFactory.getMediaType(fileName).orElse(MediaType.APPLICATION_OCTET_STREAM) + ";charset=utf-8");
response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20")); response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=" + URLEncoder.encode(fileName, StandardCharsets.UTF_8).replaceAll("\\+", "%20"));
response.setHeader(HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS, HttpHeaders.CONTENT_DISPOSITION); response.setHeader(HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS, HttpHeaders.CONTENT_DISPOSITION);
}
} catch (UnsupportedEncodingException e) {
log.error(e.getMessage(), e);
throw new RuntimeException(e);
} }
} }