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This commit is contained in:
cyk
2023-07-09 14:03:58 +08:00
parent b7004d6d79
commit 72c015801f
1 changed files with 8 additions and 2 deletions
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10
src/com/hellogithub/servlet/retLabelServlet.java
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@@ -38,8 +38,14 @@ public class retLabelServlet extends HttpServlet {
resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With"); resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
resp.setContentType("application/json;charset=UTF-8"); resp.setContentType("application/json;charset=UTF-8");
PrintWriter writer = resp.getWriter(); PrintWriter writer = resp.getWriter();
String jsonString = JSONObject.toJSONString(categoryService.retLabel()); if(categoryService.retLabel().size() !=0)
writer.println(jsonString); {
String jsonString = JSONObject.toJSONString(categoryService.retLabel());
writer.println(jsonString);
}
else{
writer.println("null");
}
writer.close(); writer.close();
} }
public void setResult(Integer code, String msg, PrintWriter writer) { public void setResult(Integer code, String msg, PrintWriter writer) {