47 lines
1.9 KiB
Java
47 lines
1.9 KiB
Java
package com.hellogithub.servlet;
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import com.alibaba.fastjson.JSONObject;
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import com.hellogithub.service.projectService;
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import jakarta.servlet.ServletConfig;
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import jakarta.servlet.ServletException;
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import jakarta.servlet.annotation.WebServlet;
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import jakarta.servlet.http.HttpServlet;
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import jakarta.servlet.http.HttpServletRequest;
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import jakarta.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.PrintWriter;
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@WebServlet("/randomSelectPro")
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public class randomSelectProServlet extends HttpServlet {
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private com.hellogithub.service.projectService projectService=new projectService();
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@Override
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public void init(ServletConfig config) throws ServletException {
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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doPost(req, resp);
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}
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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resp.setCharacterEncoding("UTF-8");
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resp.setContentType("text/html; charset=utf-8");
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// 设置响应头允许ajax跨域访问
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String curOrigin = req.getHeader("Origin");
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resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin);
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resp.setHeader("Access-Control-Allow-Credentials", "true");
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resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
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resp.setHeader("Access-Control-Max-Age", "3600");
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resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
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resp.setContentType("application/json;charset=UTF-8");
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PrintWriter writer = resp.getWriter();
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String jsonString = JSONObject.toJSONString(projectService.randomSelect());
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writer.println(jsonString);
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writer.close();
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}
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}
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