增加insertcategory接口

src/com/hellogithub/dao/categoryDao.java

@@ -120,4 +120,18 @@ public class categoryDao {
         }
 
     }
+    public int insertCategory(String name , String url , int isValid )
+    {
+        int num ;
+        try {
+            Connection conn = JdbcUtils.getConnection();
+            QueryRunner runner = new QueryRunner();
+            String sql="insert into  category (category,categoryName,isValid) VALUES(?,?,?)";
+            num = runner.update(conn,sql,name,url,isValid);
+            conn.close();
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+        return num;
+    }
 }

src/com/hellogithub/service/categoryService.java

@@ -37,4 +37,7 @@ public class categoryService {
         }
         return JSONObject.toJSONString(projectCategoryDaoList);
     }
+    public int insertCategory(String name , String url , String isValid ){
+        return categoryDao.insertCategory(name,url,Integer.parseInt(isValid));
+    }
 }

src/com/hellogithub/servlet/systemAdmin/insertCategoryServlet.java

@@ -0,0 +1,43 @@
+package com.hellogithub.servlet.systemAdmin;
+
+import com.hellogithub.service.categoryService;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+@WebServlet("/insertCategory")
+public class insertCategoryServlet extends HttpServlet {
+    private categoryService categoryService = new categoryService();
+    @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");
+
+        String name = req.getParameter("name");
+        String url = req.getParameter("url");
+        String isValid = req.getHeader("isValid");
+        int num = categoryService.insertCategory(name,url,isValid);
+        PrintWriter writer = resp.getWriter();
+        if(num == 0)
+        {
+            writer.println("wrong");
+        }
+    }
+}