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完成系统管理员借阅规则管理

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pull/1/head
you 5 years ago
parent f8e111f9bb
commit 6952bbab2d
12 changed files with 758 additions and 4 deletions
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4
WebContent/admin/borrowlist.jsp
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@ -16,7 +16,7 @@
<body>
<script src="../public/layui/layui.js" charset="utf-8"></script>
<!-- 表单 -->
<table class="layui-hide" id="cardTable" lay-filter="formFilter"></table>
<table class="layui-hide" id="history" lay-filter="formFilter"></table>
<!-- 头部工具栏 -->
<script type="text/html" id="headBar">
@ -46,7 +46,7 @@
var table = layui.table;
// 进行渲染
var tableIns = table.render({
elem: '#cardTable'
elem: '#history'
,url:'./borrowList'
,toolbar: '#headBar'
,cols: [[

2
WebContent/admin/data.json
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@ -1 +1 @@
{"code":0,"msg":"","count":1000,"data":[{"id":10020,"username":"user-20","sex":"男","city":"城市-20","sign":"签名-20","experience":770,"logins":24,"wealth":92420248,"classify":"诗人","score":87},{"id":10021,"username":"user-21","sex":"男","city":"城市-21","sign":"签名-21","experience":184,"logins":131,"wealth":71566045,"classify":"词人","score":99},{"id":10022,"username":"user-22","sex":"男","city":"城市-22","sign":"签名-22","experience":739,"logins":152,"wealth":60907929,"classify":"作家","score":18},{"id":10023,"username":"user-23","sex":"女","city":"城市-23","sign":"签名-23","experience":127,"logins":82,"wealth":14765943,"classify":"作家","score":30},{"id":10024,"username":"user-24","sex":"女","city":"城市-24","sign":"签名-24","experience":212,"logins":133,"wealth":59011052,"classify":"词人","score":76},{"id":10025,"username":"user-25","sex":"女","city":"城市-25","sign":"签名-25","experience":938,"logins":182,"wealth":91183097,"classify":"作家","score":69},{"id":10026,"username":"user-26","sex":"男","city":"城市-26","sign":"签名-26","experience":978,"logins":7,"wealth":48008413,"classify":"作家","score":65},{"id":10027,"username":"user-27","sex":"女","city":"城市-27","sign":"签名-27","experience":371,"logins":44,"wealth":64419691,"classify":"诗人","score":60},{"id":10028,"username":"user-28","sex":"女","city":"城市-28","sign":"签名-28","experience":977,"logins":21,"wealth":75935022,"classify":"作家","score":37},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27}]}
{"code":0,"msg":"","data":[{"id":10020,"username":"user-20","sex":"男","city":"城市-20","sign":"签名-20","experience":770,"logins":24,"wealth":92420248,"classify":"诗人","score":87},{"id":10021,"username":"user-21","sex":"男","city":"城市-21","sign":"签名-21","experience":184,"logins":131,"wealth":71566045,"classify":"词人","score":99},{"id":10022,"username":"user-22","sex":"男","city":"城市-22","sign":"签名-22","experience":739,"logins":152,"wealth":60907929,"classify":"作家","score":18},{"id":10023,"username":"user-23","sex":"女","city":"城市-23","sign":"签名-23","experience":127,"logins":82,"wealth":14765943,"classify":"作家","score":30},{"id":10024,"username":"user-24","sex":"女","city":"城市-24","sign":"签名-24","experience":212,"logins":133,"wealth":59011052,"classify":"词人","score":76},{"id":10025,"username":"user-25","sex":"女","city":"城市-25","sign":"签名-25","experience":938,"logins":182,"wealth":91183097,"classify":"作家","score":69},{"id":10026,"username":"user-26","sex":"男","city":"城市-26","sign":"签名-26","experience":978,"logins":7,"wealth":48008413,"classify":"作家","score":65},{"id":10027,"username":"user-27","sex":"女","city":"城市-27","sign":"签名-27","experience":371,"logins":44,"wealth":64419691,"classify":"诗人","score":60},{"id":10028,"username":"user-28","sex":"女","city":"城市-28","sign":"签名-28","experience":977,"logins":21,"wealth":75935022,"classify":"作家","score":37},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27},{"id":10029,"username":"user-29","sex":"男","city":"城市-29","sign":"签名-29","experience":647,"logins":107,"wealth":97450636,"classify":"酱油","score":27}]}

120
WebContent/admin/ruleadd.jsp
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@ -0,0 +1,120 @@
<%@page import="javabean.Common"%>
<%@page import="java.util.TreeMap"%>
<%@page import="java.util.HashMap"%>
<%@page import="java.util.Map"%>
<%@page import="java.util.ArrayList"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="com.mysql.jdbc.Connection"%>
<%@page import="javabean.Base"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>规则添加</title>
<!-- layui -->
<link rel="stylesheet" href="../public/layui/css/layui.css">
<script src="../public/layui/layui.js"></script>
<style>
.layui-form{
margin: 10px 20px;
}
.layui-form-pane .layui-form-label{
width: 120px;
}
.layui-form-pane .layui-input-block{
margin-left: 120px;
}
</style>
</head>
<body>
<%
// 获取图书馆map
Map<String, String> libraryMap = Common.getLibraryMap();
%>
<form class="layui-form layui-form-pane" action="">
<input type="id" name="id" value="3" class="layui-hide">
<div class="layui-form-item">
<label class="layui-form-label">限制天数</label>
<div class="layui-input-block">
<input type="text" name="limit_day" required="" lay-verify="required" placeholder="请输入限制天数" autocomplete="off" class="layui-input">
</div>
</div>
<!-- 作者 -->
<div class="layui-form-item">
<label class="layui-form-label">限制数量</label>
<div class="layui-input-block">
<input type="text" name="borrow_num" required lay-verify="required" placeholder="请输入限制数量" autocomplete="off" class="layui-input">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">限制图书馆</label>
<div class="layui-input-block" >
<%
for(String key : libraryMap.keySet()){
%>
<input type="checkbox" name=<%="borrow_library[" +key +"]" %> title=<%=libraryMap.get(key) %> checked>
<%
}
%>
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">逾期每天费用</label>
<div class="layui-input-block">
<input type="text" name="overtime_fee" required lay-verify="required" placeholder="请输入逾期每天费用" autocomplete="off" class="layui-input">
</div>
</div>
<div class="layui-form-item">
<div class="layui-input-block">
<button class="layui-btn" lay-submit="" lay-filter="bookForm">立即提交</button>
<button type="reset" class="layui-btn layui-btn-primary">重置</button>
</div>
</div>
</form>
<script>
layui.use(['form', 'jquery'], function(){
//layer.closeAll();
$ = layui.jquery;
var form = layui.form
,layer = layui.layer
//监听提交
form.on('submit(bookForm)', function(data){
$.ajax({
url: './ruleAdd',
method: 'post',
data: data.field,
dataType: 'json',
success: function(data){
if(data.code == "0"){
parent.layer.msg("添加成功",{
icon: 6,
time: 500
});
setTimeout(function(){
parent.location.reload();
}, 500);
}else{
leyer.msg("添加失败");
}
//parent.layer.msg('您将标记 [ sdf ] 成功传送给了父窗口');
}
})
return false;
});
});
</script>
</body>
</html>

144
WebContent/admin/ruleedit.jsp
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@ -0,0 +1,144 @@
<%@page import="javabean.Common"%>
<%@page import="java.util.TreeMap"%>
<%@page import="java.util.HashMap"%>
<%@page import="java.util.Map"%>
<%@page import="java.util.ArrayList"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="com.mysql.jdbc.Connection"%>
<%@page import="javabean.Base"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>规则添加</title>
<!-- layui -->
<link rel="stylesheet" href="../public/layui/css/layui.css">
<script src="../public/layui/layui.js"></script>
<style>
.layui-form{
margin: 10px 20px;
}
.layui-form-pane .layui-form-label{
width: 120px;
}
.layui-form-pane .layui-input-block{
margin-left: 120px;
}
</style>
</head>
<body>
<%
String id = request.getParameter("id");
Connection connection = null;
PreparedStatement pstmt = null;
ResultSet resultSet = null;
String sql = "";
connection = (Connection)Base.getConnection();
sql = "select * from rules where id = ?";
pstmt = connection.prepareStatement(sql);
pstmt.setString(1, id);
resultSet = pstmt.executeQuery();
resultSet.next();
String[] libraryList = resultSet.getString("borrow_library").split("、");
// 获取图书馆map
Map<String, String> libraryMap = Common.getLibraryMap();
%>
<form class="layui-form layui-form-pane" action="">
<input type="text" name="id" value=<%=id %> class="layui-hide">
<div class="layui-form-item">
<label class="layui-form-label">限制天数</label>
<div class="layui-input-block">
<input type="text" name="limit_day" value=<%=resultSet.getString("limit_day") %> required lay-verify="required" placeholder="请输入限制天数" autocomplete="off" class="layui-input">
</div>
</div>
<!-- 作者 -->
<div class="layui-form-item">
<label class="layui-form-label">限制数量</label>
<div class="layui-input-block">
<input type="text" name="borrow_num" value=<%=resultSet.getString("borrow_num") %> required lay-verify="required" placeholder="请输入限制数量" autocomplete="off" class="layui-input">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">限制图书馆</label>
<div class="layui-input-block" >
<%
for(String key : libraryMap.keySet()){
boolean flag = false;
%>
<input type="checkbox" name=<%="borrow_library[" +key +"]" %> title=<%=libraryMap.get(key) %>
<% for(String key0 : libraryList){
flag = false;
if(key0.equals(key)){
flag = true;
}
if(flag == true)
out.print("checked");
}
%>>
<%
}
%>
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">逾期每天费用</label>
<div class="layui-input-block">
<input type="text" name="overtime_fee" value=<%=resultSet.getString("overtime_fee") %> required lay-verify="required" placeholder="请输入逾期每天费用" autocomplete="off" class="layui-input">
</div>
</div>
<div class="layui-form-item">
<div class="layui-input-block">
<button class="layui-btn" lay-submit="" lay-filter="bookForm">立即提交</button>
<button type="reset" class="layui-btn layui-btn-primary">重置</button>
</div>
</div>
</form>
<script>
layui.use(['form', 'jquery'], function(){
//layer.closeAll();
$ = layui.jquery;
var form = layui.form
,layer = layui.layer
//监听提交
form.on('submit(bookForm)', function(data){
$.ajax({
url: './ruleEdit',
method: 'post',
data: data.field,
dataType: 'json',
success: function(data){
if(data.code == "0"){
parent.layer.msg("修改成功",{
icon: 6,
time: 500
});
setTimeout(function(){
parent.location.reload();
}, 500);
}else{
leyer.msg("修改失败");
}
//parent.layer.msg('您将标记 [ sdf ] 成功传送给了父窗口');
}
})
return false;
});
});
</script>
</body>
</html>

118
WebContent/admin/rulelist.jsp
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@ -1,3 +1,119 @@
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
rulelist.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>规则列表</title>
<link rel="stylesheet" href="../public/layui/css/layui.css" media="all">
<style>
.layui-table,.layui-table-view{
margin: 0 0px;
}
</style>
</head>
<body>
<!-- 表单 -->
<table class="layui-hide" id="ruleTable" lay-filter="formFilter"></table>
<script src="../public/layui/layui.js" charset="utf-8"></script>
<!-- 头部工具栏 -->
<script type="text/html" id="headBar">
<button type="button" class="layui-btn layui-btn-sm" lay-event="add"><i class="layui-icon">添加</i></button>
</script>
<!-- 表格后面的操作 -->
<script type="text/html" id="operateBar">
<a class="layui-btn layui-btn-xs" lay-event="edit">编辑</a>
<a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="del">删除</a>
</script>
<script>
layui.use(['table','jquery'], function(){
$ = layui.jquery;
var table = layui.table;
// 进行渲染
var tableIns = table.render({
elem: '#ruleTable'
,url:'./ruleList'
,toolbar: '#headBar'
,height: '600'
,cols: [[
{fixed: 'left',field:'id', width:140, title: 'ID', sort: true}
,{field:'limit_day', width:180, title: '限制天数', sort: true}
,{field:'borrow_num', width:180, title: '限制本数', sort: true}
,{field:'borrow_library', width:180, title: '限制图书馆'}
,{field:'overtime_fee', title: '逾期每天费用', width: 150}
,{fixed: 'right', title:'操作', toolbar: '#operateBar', align: 'center', width:150}
]]
});
// 头部工具栏事件
table.on('toolbar(formFilter)', function(obj){
var checkStatus = table.checkStatus(obj.config.id);
switch(obj.event){
// 添加规则
case 'add':
var addCardLayer = layer.open({
type: 2,
title: '添加规则',
area: ['800px', '500px'],
maxmin: true,
content: 'ruleadd.jsp',
});
};
});
// 侧边工具栏事件
table.on(('tool(formFilter)'), function(obj){
var data = obj.data;
var layEvent = obj.event;
var tr = obj.tr;
var id = data.id;
switch(obj.event){
case 'edit':
layer.open({
type: 2,
title: '更改信息',
area: ['800px', '600px'],
maxmin: true,
shadeClose: true,
content: 'ruleedit.jsp?id=' +id,
})
break;
case 'del':
layer.confirm("确认要删除么，非必要请勿删除",function(){
$.ajax({
url: './ruleDel',
data: "id=" +id,
type: 'get',
dataType: 'json',
timout: 3000,
success: function(data){
if(data.code == 0){
layer.msg(data.msg,{
icon: 6,
anim: 5,
time: 500
})
setTimeout(function(){
parent.location.reload();
}, 500)
}else{
layer.msg(data.msg,{
icon:5,
anim:6
})
}
},
error: function(){
layer.msg("连接超时");
}
})
})
}
})
});
</script>
</body>
</html>

BIN
build/classes/servlet/ServletExample.class
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32
src/javabean/Common.java
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@ -4,6 +4,8 @@ import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.TreeMap;
public class Common {
/**
@ -32,4 +34,34 @@ public class Common {
}
}
public static TreeMap<String, String> getLibraryMap() throws SQLException {
Connection connection = null;
PreparedStatement libraryPstmt = null;
ResultSet librarySet = null;
String librarySql = "select id,name from library";
TreeMap<String, String> map = new TreeMap<String, String>();
// 获取图书馆
try {
connection = (Connection) Base.getConnection();
libraryPstmt = connection.prepareStatement(librarySql);
librarySet = libraryPstmt.executeQuery();
while(librarySet.next()) {
map.put(librarySet.getString("id"), librarySet.getString("name"));
}
} catch (ClassNotFoundException e) {
return null;
} catch (SQLException e) {
return null;
} finally {
Base.closeResource(connection, libraryPstmt, librarySet);
}
return map;
}
public static void main(String[] args) throws SQLException {
System.out.println(Common.getLibraryMap());
}
}

16
src/javabean/Util.java
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@ -2,6 +2,8 @@ package javabean;
import java.text.SimpleDateFormat;
import net.sf.json.JSONObject;
public class Util {
/**
* 主要用来计算json字符串中对象的个数
@ -28,12 +30,26 @@ public class Util {
return null;
}
/**
* 获取当前时间
* @return
*/
public static String getCurrentTimeString() {
java.util.Date date = new java.util.Date();
SimpleDateFormat dateFormat= new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
return dateFormat.format(date);
}
public static String jsonResponse(int code, String msg, String data) {
JSONObject jsonObject = new JSONObject();
jsonObject.put("code", code);
jsonObject.put("msg", msg);
if( data!=null ) {
jsonObject.put("data", data);
}
return jsonObject.toString();
}
public static void main(String[] args) {
java.util.Date date = new java.util.Date();

94
src/servlet/admin/RuleAdd.java
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@ -0,0 +1,94 @@
package servlet.admin;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
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 com.mysql.jdbc.Connection;
import javabean.Base;
import javabean.Common;
import javabean.Util;
@WebServlet("/admin/ruleAdd")
public class RuleAdd extends HttpServlet {
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// 准备数据
Connection connection = null;
PreparedStatement pstmt = null;
ResultSet resultSet = null;
int result = 0;
String sql = "";
String borrow_library = "";
// 准备返回数据
int code = 1;
String msg = "";
// 获取数据
// 获取限定图书馆1、2、3
int num = 0;
try {
Map<String, String> libraryMap = Common.getLibraryMap();
System.out.println(libraryMap);
for(String key : libraryMap.keySet()) {
if(req.getParameter("borrow_library[" +key +"]") != null) {
if(num == 0) {
borrow_library += key;
num++;
}else {
borrow_library += "、"+key;
}
}
}
if(borrow_library.isEmpty()) {
msg = "允许图书馆不能为空";
}
} catch (SQLException e) {
msg = "获取图书馆失败";
}
String borrow_num = req.getParameter("borrow_num");
String limit_day = req.getParameter("limit_day");
String overtime_fee = req.getParameter("overtime_fee");
try {
connection = (Connection) Base.getConnection();
sql = "insert into rules(borrow_num, limit_day, borrow_library, overtime_fee) values(?,?,?,?)";
pstmt = connection.prepareStatement(sql);
pstmt.setString(1, borrow_num);
pstmt.setString(2, limit_day);
pstmt.setString(3, borrow_library);
pstmt.setString(4, overtime_fee);
result = pstmt.executeUpdate();
if(result == 1) {
code = 0;
msg = "success";
}
} catch (ClassNotFoundException e) {
msg = "classnotfound";
} catch (SQLException e) {
msg = "SQL错误";
} finally {
try {
Base.closeResource(connection, pstmt, null);
} catch (SQLException e) {
msg = "关闭失败";
}
}
PrintWriter out = resp.getWriter();
out.print(Util.jsonResponse(code, msg, null));
}
}

58
src/servlet/admin/RuleDel.java
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@ -0,0 +1,58 @@
package servlet.admin;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
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 com.mysql.jdbc.Connection;
import javabean.Base;
import javabean.Util;
@WebServlet("/admin/ruleDel")
public class RuleDel extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// 接受数据
String id = req.getParameter("id");
// 准备数据
Connection connection = null;
PreparedStatement pstmt = null;
ResultSet resultSet = null;
int result = 0;
String sql = "";
// 返回数据
int code = 1;
String msg = "error";
PrintWriter out = resp.getWriter();
// 进行查询
try {
connection = (Connection) Base.getConnection();
sql = "delete from rules where id = ?";
pstmt = connection.prepareStatement(sql);
pstmt.setString(1, id);
result = pstmt.executeUpdate();
if(result == 1) {
code = 0;
msg = "删除成功";
}else {
msg = "删除失败";
}
} catch (ClassNotFoundException e) {
msg = "class没找到";
} catch (SQLException e) {
msg = "sql错误";
}
out.print(Util.jsonResponse(code, msg, null));
}
}

101
src/servlet/admin/RuleEdit.java
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package servlet.admin;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
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 com.mysql.jdbc.Connection;
import javabean.Base;
import javabean.Common;
import javabean.Util;
/**
* Servlet implementation class RuleEdit
*/
@WebServlet("/admin/ruleEdit")
public class RuleEdit extends HttpServlet {
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// 准备数据
Connection connection = null;
PreparedStatement pstmt = null;
ResultSet resultSet = null;
int result = 0;
String sql = "";
String borrow_library = "";
// 准备返回数据
int code = 1;
String msg = "";
// 获取数据
// 获取限定图书馆1、2、3
int num = 0;
try {
Map<String, String> libraryMap = Common.getLibraryMap();
System.out.println(libraryMap);
for(String key : libraryMap.keySet()) {
if(req.getParameter("borrow_library[" +key +"]") != null) {
if(num == 0) {
borrow_library += key;
num++;
}else {
borrow_library += "、"+key;
}
}
}
if(borrow_library.isEmpty()) {
msg = "允许图书馆不能为空";
}
} catch (SQLException e) {
msg = "获取图书馆失败";
}
String borrow_num = req.getParameter("borrow_num");
String limit_day = req.getParameter("limit_day");
String overtime_fee = req.getParameter("overtime_fee");
String id = req.getParameter("id");
try {
connection = (Connection) Base.getConnection();
sql = "update rules set borrow_num=?, limit_day=?, borrow_library=?,overtime_fee=? where id=?";
pstmt = connection.prepareStatement(sql);
pstmt.setString(1, borrow_num);
pstmt.setString(2, limit_day);
pstmt.setString(3, borrow_library);
pstmt.setString(4, overtime_fee);
pstmt.setString(5, id);
System.out.println(overtime_fee);
result = pstmt.executeUpdate();
if(result == 1) {
code = 0;
msg = "success";
}
} catch (ClassNotFoundException e) {
msg = "classnotfound";
} catch (SQLException e) {
msg = "SQL错误";
} finally {
try {
Base.closeResource(connection, pstmt, null);
} catch (SQLException e) {
msg = "关闭失败";
}
}
PrintWriter out = resp.getWriter();
out.print(Util.jsonResponse(code, msg, null));
}
}

73
src/servlet/admin/RuleList.java
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package servlet.admin;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
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 com.mysql.jdbc.Connection;
import javabean.Base;
import javabean.Util;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
@WebServlet("/admin/ruleList")
public class RuleList extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("application/json; charset=utf8");
// 准备查询
Connection connection = null;
PreparedStatement pstmt = null;
ResultSet resultSet = null;
String sql = "";
// 准备返回参数
int code = 1;
String msg = "error";
JSONArray jsonArray = new JSONArray();
JSONObject jsonObject = new JSONObject();
try {
connection = (Connection) Base.getConnection();
sql = "select * from rules";
pstmt = connection.prepareStatement(sql);
resultSet = pstmt.executeQuery();
while(resultSet.next()) {
jsonObject.put("id", resultSet.getString("id"));
jsonObject.put("limit_day", resultSet.getString("limit_day"));
jsonObject.put("borrow_num", resultSet.getString("borrow_num"));
jsonObject.put("borrow_library", resultSet.getString("borrow_library"));
jsonObject.put("overtime_fee", resultSet.getString("overtime_fee"));
jsonArray.add(jsonObject);
}
code = 0;
if(!jsonArray.isEmpty()) {
msg = "查询成功";
}else {
msg = "没有数据";
}
} catch (SQLException e) {
msg = "sql错误";
} catch (ClassNotFoundException e) {
msg = "class没找到";
} finally {
try {
Base.closeResource(connection, pstmt, resultSet);
} catch (SQLException e) {
msg = "关闭失败";
}
}
PrintWriter out = resp.getWriter();
out.print( Util.jsonResponse(code, msg, jsonArray.toString()) );
}
}
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