package com.hellogithub.servlet;

import com.alibaba.fastjson.JSONObject;
import com.hellogithub.service.projectService;
import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/randomSelectPro")
public class randomSelectProServlet extends HttpServlet {
    private com.hellogithub.service.projectService projectService=new projectService();
    @Override
    public void init(ServletConfig config) throws ServletException {

    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html; charset=utf-8");
        //        设置响应头允许ajax跨域访问
        String curOrigin = req.getHeader("Origin");
        resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin);
        resp.setHeader("Access-Control-Allow-Credentials", "true");
        resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
        resp.setHeader("Access-Control-Max-Age", "3600");
        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");

        PrintWriter writer = resp.getWriter();
        String jsonString = JSONObject.toJSONString(projectService.randomSelect());
        writer.println(jsonString);
        writer.close();
    }
}