web.xml and charset

WebContent/admin/cardborrow.jsp

@@ -1,6 +1,6 @@
 <%@page import="javabean.Util"%>
 <%@page import="java.sql.PreparedStatement"%>
-<%@page import="com.mysql.jdbc.Connection"%>
+<%@page import="java.sql.Connection"%>
 <%@page import="javabean.Base"%>
 <%@page import="java.sql.ResultSet"%>
 <%@page import="javabean.JDBCBean"%>

WebContent/manager/03borrowSus.jsp

@@ -135,7 +135,7 @@
 				}else{
 					%>
 					<script>
-						alert('借阅证已被挂失或注销！');
+						alert('借阅证已挂失！');
 						window.location.href = "02borrow.jsp";
 					</script>
 					<%

WebContent/reader/index.jsp

@@ -98,7 +98,7 @@
 				<p><span class="glyphicon glyphicon-star-empty">&nbsp;状态：
 					<%
 					if(rs.getString("STATUS").equals("1")){
-						out.println("正常");
+						out.println("可用");
 					}
 					else{
 						out.println("挂失");

src/servlet/admin/CardList.java

@@ -2,6 +2,7 @@ package servlet.admin;
 
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
@@ -12,8 +13,6 @@ import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import java.sql.Connection;
-
 import javabean.Base;
 import net.sf.json.JSONArray;
 import net.sf.json.JSONObject;
@@ -25,19 +24,19 @@ import net.sf.json.JSONObject;
 public class CardList extends HttpServlet {
 	@Override
 	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
-		resp.setContentType("application/json; charset:utf8");
+		resp.setContentType("application/json; charset=utf8");
 		// 接收参数
 		String limit = req.getParameter("limit");
 		String page = req.getParameter("page");
-    	String condition = (String) req.getParameter("condition");
-    	String conditionValue = (String) req.getParameter("conditionValue");
-    	String where = null; // 无限制条件
-		if(page == null) {
-    		page = "1";
-    	}
-    	if(limit == null) {
-    		limit = "10";
-    	}
+		String condition = (String) req.getParameter("condition");
+		String conditionValue = (String) req.getParameter("conditionValue");
+		String where = null; // 无限制条件
+		if (page == null) {
+			page = "1";
+		}
+		if (limit == null) {
+			limit = "10";
+		}
 		Connection connection = null;
 		PreparedStatement pstmt = null;
 		ResultSet resultSet = null;
@@ -45,7 +44,7 @@ public class CardList extends HttpServlet {
 		String msg = "error";
 		int count = 0;
 		String sql = "";
-		//String countSql = ""
+		// String countSql = ""
 		JSONObject jsonObject = new JSONObject();
 		JSONArray jsonArray = new JSONArray();
 		JSONObject jsonResult = new JSONObject();
@@ -54,20 +53,20 @@ public class CardList extends HttpServlet {
 			connection = (Connection) Base.getConnection();
 			sql = "select id,password,reader,rule_id,status from borrow_card";
 			// where
-			if(condition != null && conditionValue != null && !condition.isEmpty() && !conditionValue.isEmpty()) {
-	    		where = " where "+ condition +" like '%" +conditionValue +"%'";
-	    		sql = sql+where;
-	    	}
+			if (condition != null && conditionValue != null && !condition.isEmpty() && !conditionValue.isEmpty()) {
+				where = " where " + condition + " like '%" + conditionValue + "%'";
+				sql = sql + where;
+			}
 			// 分页
-			sql +="  order by id desc limit ?,?";
+			sql += "  order by id desc limit ?,?";
 			pstmt = connection.prepareStatement(sql);
 			try {
-				pstmt.setInt(1, (Integer.parseInt(page)-1) * Integer.parseInt(limit) );
+				pstmt.setInt(1, (Integer.parseInt(page) - 1) * Integer.parseInt(limit));
 				pstmt.setInt(2, Integer.parseInt(limit));
 			} catch (NumberFormatException | SQLException e1) {
 			}
 			resultSet = pstmt.executeQuery();
-			while(resultSet.next()) {
+			while (resultSet.next()) {
 				jsonObject.put("id", resultSet.getString("id"));
 				jsonObject.put("password", resultSet.getString("password"));
 				jsonObject.put("reader", resultSet.getString("reader"));
@@ -78,16 +77,16 @@ public class CardList extends HttpServlet {
 			// 获取总数
 			sql = "select count(*) as count from borrow_card ";
 			// 有限制
-			if(where!=null) {
-				sql =  sql+where;
+			if (where != null) {
+				sql = sql + where;
 			}
 			pstmt = connection.prepareStatement(sql);
 			resultSet = pstmt.executeQuery();
-			if(resultSet.next()) {
+			if (resultSet.next()) {
 				count = resultSet.getInt("count");
 			}
-			
-			if(!jsonArray.isEmpty()) {
+
+			if (!jsonArray.isEmpty()) {
 				code = 0;
 				msg = "成功";
 			}
@@ -96,7 +95,7 @@ public class CardList extends HttpServlet {
 			e.printStackTrace();
 		} catch (SQLException e) {
 			msg = "sql错误";
-		}finally {
+		} finally {
 			try {
 				Base.closeResource(connection, pstmt, resultSet);
 			} catch (SQLException e) {
@@ -109,7 +108,7 @@ public class CardList extends HttpServlet {
 		jsonResult.put("data", jsonArray.toString());
 		PrintWriter out = resp.getWriter();
 		out.print(jsonResult.toString());
-		//out.print("{\"code\":0,\"msg\":\"\",\"count\":\"234\",\"data\":[{\"id\":\"1\",\"password\":\"23442\",\"reader\":\"minm\",\"rule_id\":\"1\",\"status\":\"2\"}]}");
+		// out.print("{\"code\":0,\"msg\":\"\",\"count\":\"234\",\"data\":[{\"id\":\"1\",\"password\":\"23442\",\"reader\":\"minm\",\"rule_id\":\"1\",\"status\":\"2\"}]}");
 	}
 
 }

src/servlet/admin/SortList.java

@@ -18,14 +18,13 @@ import javabean.Util;
 import net.sf.json.JSONArray;
 import net.sf.json.JSONObject;
 
-
 @WebServlet("/admin/sortList")
 public class SortList extends HttpServlet {
 	@Override
 	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
-		resp.setContentType("application/json; charset:utf8");
+		resp.setContentType("application/json; charset=utf8");
 		// 接受参数
-		
+
 		// 准备参数
 		Connection connection = null;
 		PreparedStatement pstmt = null;
@@ -44,16 +43,16 @@ public class SortList extends HttpServlet {
 			sql = "select * from book_sort";
 			pstmt = connection.prepareStatement(sql);
 			resultSet = pstmt.executeQuery();
-			while(resultSet.next()) {
+			while (resultSet.next()) {
 				jsonObject.put("id", resultSet.getString("id"));
 				jsonObject.put("name", resultSet.getString("name"));
 				jsonObject.put("description", resultSet.getString("description"));
 				jsonArray.add(jsonObject.toString());
 			}
-			if(!jsonArray.isEmpty()) {
+			if (!jsonArray.isEmpty()) {
 				code = 0;
-				msg =  "查询成功";
-			}else {
+				msg = "查询成功";
+			} else {
 				msg = "数据为空";
 			}
 		} catch (ClassNotFoundException e) {
@@ -61,15 +60,15 @@ public class SortList extends HttpServlet {
 			e.printStackTrace();
 		} catch (SQLException e) {
 			msg = "sql错误";
-		}finally {
+		} finally {
 			try {
 				Base.closeResource(connection, pstmt, resultSet);
 			} catch (SQLException e) {
 				msg = "关闭失败";
 			}
 		}
-		out.print( Util.jsonResponse(code, msg, jsonArray.toString()) );
-		
+		out.print(Util.jsonResponse(code, msg, jsonArray.toString()));
+
 	}
 
 }

src/servlet/reader/Book.java

@@ -47,7 +47,7 @@ public class Book extends HttpServlet {
 		String countSql = "";
 		// 准备返回参数
 		int code = 1;
-		String msg = "error";
+		String msg = "无数据";
 		int count = 0;
 
 		JSONObject jsonData = new JSONObject();

src/servlet/reader/Borrow.java

@@ -48,7 +48,7 @@ public class Borrow extends HttpServlet {
 		String countSql = "";
 		// 准备返回参数
 		int code = 1;
-		String msg = "error";
+		String msg = "无数据";
 		int count = 0;
 
 		HttpSession session = req.getSession();

src/servlet/reader/Illegal.java

@@ -48,7 +48,7 @@ public class Illegal extends HttpServlet {
 		String countSql = "";
 		// 准备返回参数
 		int code = 1;
-		String msg = "error";
+		String msg = "无数据";
 		int count = 0;
 		HttpSession session = req.getSession();