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31 lines
1.3 KiB
31 lines
1.3 KiB
package WeChat;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.HashMap;
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// 得到首页信息
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@WebServlet(name = "GetFrontInfo", urlPatterns = {"/GetFrontInfo.do"}, loadOnStartup = 2)
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public class GetFrontInfo extends HttpServlet {
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// 其实我们只要返回BookID对应的名称就可以了
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// 然后根据书本名字就可以在对应的目录
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if(Authentication.islegal(request)){
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String sql = "select BookID,BookName,Introduce from Book where BookID in (select BookID from Display)";
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HashMap<String,String> names = new HashMap<>();
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names.put("BookID","BookID");
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names.put("BookName","BookName");
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names.put("Introduce","Introduce");
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GetJson.Getinfo(request,response,sql,names);
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}
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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doPost(request, response);
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}
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}
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