thinkPHP框架实现的简单计算器示例
时间:2022-07-27
本文章向大家介绍thinkPHP框架实现的简单计算器示例，主要内容包括其使用实例、应用技巧、基本知识点总结和需要注意事项，具有一定的参考价值，需要的朋友可以参考一下。
本文实例讲述了thinkPHP框架实现的简单计算器。分享给大家供大家参考，具体如下：
HTML部分 文件名 index.html
<!DOCTYPE html
<html lang="en"
<head
<meta charset="UTF-8"
<title 计算器</title
<script type="text/javascript" src="public/js/jquery-2.2.3.js" </script
<link rel="stylesheet" href="public/css/index.css" rel="external nofollow"
</head
<body
<div class="login"
<span 登录</span
</div
<div class="register"
<form action=""
<span 请输入你的手机号开始使用</span
<br <br
<input id="myphone" type="text"
<input id="use" type="button" value="使用"
<br <br
</form
</div
<div class="calculator"
<div class="counter"
<span class="brand" 计算器</span
<br <br
<input class="import" type="text" style="text-align: right;"
<br <br
<form class="snap" action=""
<br <br
<input class="order" id="one" type="button" value="1"
<input class="order" id="two" type="button" value="2"
<input class="order" id="three" type="button" value="3"
<input class="order" id="four" type="button" value="4"
<input class="order" id="five" type="button" value="5"
<br <br
<input class="order" id="six" type="button" value="6"
<input class="order" id="seven" type="button" value="7"
<input class="order" id="eight" type="button" value="8"
<input class="order" id="nine" type="button" value="9"
<input class="order" id="zero" type="button" value="0"
<br <br
<input class="operator" id="plus" type="button" value="+"
<input class="operator" id="add" type="button" value="-"
<input class="operator" id="mul" type="button" value="*"
<input class="operator" id="sub" type="button" value="/"
<input class="" id="equal" type="button" value="="
<br <br
<input class="order" type="button" value="."
<input id="backspace" type="button" value="←"
<input id="clear" type="button" value="c"
<input type="button" value="CE"
<input type="button" value="MC"
</form
</div
<div class="result"
<div
<span 当前结果:</span <span id="current_results" </span
</div
<br <br
<span 历史记录:</span
<ul id="cal_result" style="list-style-type: none"
<li <span 删除</span </li
</ul
</div
</div
</body
<script type="text/javascript" src="public/js/index.js"
</script
</html CSS样式 文件名 index.css
.login{/*登录*/
height: 30px;
width: 100px;
background-color: #00a2d4;
text-align: center;
cursor: pointer;
padding-top: 10px;
position: fixed;
}
.register{
display: none;
position: fixed;
}
.calculator{
display: none;
position: fixed;
}
.counter{
border: 1px solid black;
height: 400px;
width: 320px;
float: left;
}
.import{
height: 20px;
width: 180px;
margin-top: 50px;
margin-left: 50px;
}
.snap{
margin-left: 50px;
margin-top: -30px;
}
.snap input{
height: 30px;
width: 30px;
}
.result{
border: 1px solid black;
height: 400px;
width: 320px;
float: left;
margin-left: 50px;
}
.brand{
position: relative;
top: 50px;
left: 90px;
}JS部分 文件名 index.js
//计算屏幕宽高
var w_width = $(window).width();
var w_height = $(window).height();
var operator = 0;//运算符号
var change = 0;//属于运算符后需要清空上一数值
var num1 = 0;//元算的第一个数据
var num2 = 0;//运算的第二个数据
var sum = 0;//运算结果
//居中
function setCenter(obj){
var this_width = $(obj).width();
var this_height = $(obj).height();
var this_left = parseInt((w_width-this_width)/2);
var this_height = parseInt((w_height-this_height)/2);
$(obj).css({left:this_left,top:this_height});
}
//正则
function testReg() {
//定义参数
var regType = arguments[0]?arguments[0]:'phone';
var myString = arguments[1]?arguments[1]:false;
var regArray = new Array();
regArray['phone'] = /^1[3|4|5|7|8]d{9}$/;
regArray['email'] = /w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*/;//邮箱 *代表{0,} +代表{1,} ?代表{0,1}
//判断
if (myString){
return regArray[regType].test(myString);
}
return false;
}
//发送数据到后台
function sendMessage() {
//手机号
var myphone = $("#myphone").val();
//计算器
var myUrl = '/app/base.php';
var myData = {num1:num1,num2:num2,cal_option:operator,cal_result:sum,myphone:myphone,type:'add'};
$.post(myUrl,myData,function (msg) {
//TODO
},'json')
getResultByPhone();
}
//获取结果
function getResultByPhone() {
var myphone = $("#myphone").val();
var myUrl = '/app/base.php';
var myData = {myphone:myphone,type:'getResult'};
$.post(myUrl,myData,function (msg) {
//TODO
$("#cal_result").html(msg);
},'text')
}
//获取数据
function deleteHistory(id) {
var myUrl = '/app/base.php';
var MyData = {id:id,type:'delete'};
$.post(myUrl,MyData,function (msg) {
//TODO
},'json')
getResultByPhone();
}
$(function () {
//登录居中
setCenter($(".login").show(8000));
//点击登录显示输入
$(".login").click(function(){
setCenter($(".register").show());
$(this).hide();
});
//点击使用显示计算器
$("#use").click(function () {
if (testReg('phone',$("#myphone").val())){
setCenter($(".calculator").show());
$(".register").hide();
getResultByPhone()
}else {
alert ("你输的手机格式不对");
return false;
}
})
$(".order").click(function () {//点击数字
var num = $(this).val();
var oldValue = $(".import").val();
if (change ==1){
oldValue = "0";
change = 0;
}
var newValue = "";
if (num == -1){
oldValue = parseFloat(oldValue);
newValue = oldValue * -1;
}else if (num == "."){
if (oldValue.indexOf('.') == -1)
newValue = oldValue + ".";
else
newValue = oldValue;
}else {
if (oldValue == 0 && oldValue.lastIndexOf('.') == -1){
newValue = num;
}else {
newValue = oldValue + num;
}
}
$(".import").val(newValue);
});
$("#clear").click(function () {//清除
$(".import").val("0");
operator = 0;
change = 0;
num1 = 0;
num2 = 0;
});
$("#backspace").click(function () {//退格
if (change ==1){
operator = 0;
change = 0;
}
var value = $(".import").val();
if (value.length == 1){
$(".import").val("0");
}else {
value = value.substr(0,value.length - 1);
$(".import").val(value);
}
});
$(".operator").click(function() {//点击运算符号触发事件
change = 1;
operator = $(this).val();
var value = $(".import").val();
var dianIndex = value.indexOf(".");
if (dianIndex == value.length) {
value = value.substr(0, value.length - 1);
}
num1 = parseFloat(value);
});
$("#equal").click(function () {//点击等号
var value = $(".import").val();
var dianIndex = value.indexOf(".");
if (dianIndex == value.length){
value = value.substr(0,value.length - 1);
}
var equal = $(this).val();
num2 = parseFloat(value);
if (operator == "+"){
sum = num1 + num2;
}else if (operator == "-"){
sum = num1 - num2;
}else if (operator == "*"){
sum = num1 * num2;
}else if (operator == "/"){
sum = num1 / num2;
}else if (operator == "" || num1 ==0 || num2 == 0){
sum = num1 +num2;
}
var re = /^[0-9]+.?[0-9]*$/;
if (re.test(sum)){
sum = sum.toFixed(2);
}
$(".import").val(sum);
sendMessage();
$("#current_results").text(num1 + operator + num2 + equal + sum);
change = 1;
operator = 0;
num1 = 0;
num2 = 0;
});
})接口 文件名 IDB.php
<?php
namespace mao;
interface IDB{
public function insert($data);
public function update($data);
public function select($data);
public function del($data);
}创建一个Mysqli类继承接口实现增删改查
文件名 MySqli.clsaa.php
<?php
namespace mao;
include "IDB.php";
class MySqli implements IDB{
private $conn = null;
private $table = null;
private $sysConfig = array(
'host' = '',
'user' = '',
'pwd' = '',
'db' = ''
);
private static $_instance = null;
private function __construct($config){
if(is_array($config)){
$this- sysConfig = array_merge($this- sysConfig,$config);
$this- conn = new Mysqli($this- sysConfig['host'],$this- sysConfig['user'],$this- sysConfig['pwd'],$this- sysConfig['db']);
if (!$this- conn){
echo "连接失败".mysqli_error();
}
}
}
public static function getInstance($config){
if (is_null(self::$_instance)){
self::$_instance = new self($config);
}
return self::$_instance;
}
//设计表
public function table($table){
$this- table = $table;
return $this;
}
//查询
private function changeCondition($condition){
$where_array = array();
foreach($condition as $k = $v){
if(is_array($v)){
if(strtolower($v[0])=='like'){
$where_array[] = $k.' '.$v[0].' '%'.$v[1].'%'';
}else{
$where_array[] = $k.' '.$v[0].' ''.$v[1].''';
}
}
if(is_string($v)){
$where_array[] = $k.' = ''.$v.''';
}
}
$where = implode(' AND ',$where_array);
return $where?$where:1;
}
public function select($condition){
$where = $this- changeCondition($condition);
$sql = "select * from $this- table where ".$where."order by id desc limit 10";
$res = $this- conn- query($sql);
$ret = array();
while ($row = $res- fetch_assoc()){
$ret[] = $row;
}
return $ret;
}
public function insert($data){
$sql = "insert into `{$this- table}` ( `id` ,`user_phone` ,`num1` ,`num2` ,`option` ,`result` ,`status` ,`admin_user` ) VALUES ( NULL , '{$data['myphone']}', '{$data['num1']}', '{$data['num2']}', '{$data['cal_option']}', '{$data['cal_result']}', '1', 'mao' )";
$this- conn- query($sql);
}
public function update($id){
$sql = "UPDATE `{$this- table}` SET `status` = '-1' WHERE `id` ={$id}";
$this- conn- query($sql);
}
public function del($condition){
}
}配置项 文件名 config.php
<?php
return [
'db'= [
'host' = '127.0.0.1',
'user' = 'root',
'pwd' = 'root',
'db' = 'cal'
],
'author' = [
'adminuser' = 'mao',
]
];操作计算器 文件名 base.php
<?php
namespace mao;
define("ROOT_PATH",dirname(dirname(__FILE__)));
$config = include ROOT_PATH."/lib/config/config.php";
include ROOT_PATH."/lib/db/MySqli.class.php";
$db = MySqli::getInstance($config['db']);
if ($_POST){
//查询
if ($_POST['type'] == 'getResult'){
$condition = array(
'user_phone' = array('like',$_POST['myphone']),
'status'= '1'
);
$result = $db- table('calculate')- select($condition);
$result_string = '';
foreach ($result as $k = $v){
$result_string .= "<li <span class='mydelte' onclick='deleteHistory({$v['id']})' 删除</span {$v['num1']} {$v['option']} {$v['num2']} = {$v['result']} </li ";
}
echo $result_string;
}
//删除
if ($_POST['type'] == 'delete'){
$id = isset($_POST['id'])?$_POST['id']:'';
$db- table('calculate')- update($id);
}
if ($_POST['type'] == 'add'){
$data = $_POST;
$db- table('calculate')- insert($data);
}
}目录结构
sql语句
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
--
-- 資料庫: `cal`
--
-- --------------------------------------------------------
--
-- 表的結構 `calculate`
--
CREATE TABLE IF NOT EXISTS `calculate` (
`id` int(10) NOT NULL AUTO_INCREMENT COMMENT '序号 主键 自增',
`user_phone` varchar(100) NOT NULL COMMENT '用户手机号',
`num1` varchar(100) NOT NULL COMMENT '第一个数字',
`num2` varchar(100) NOT NULL COMMENT '第二个数字',
`option` varchar(10) NOT NULL COMMENT '加减乘除选项',
`result` varchar(100) NOT NULL COMMENT '结果',
`status` int(10) NOT NULL COMMENT '状态-1 删除 0 禁用 1 正常',
`admin_user` varchar(100) NOT NULL COMMENT '管理员',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='计算表' AUTO_INCREMENT=40 ;
--
-- 轉存資料表中的資料 `calculate`
--
INSERT INTO `calculate` (`id`, `user_phone`, `num1`, `num2`, `option`, `result`, `status`, `admin_user`) VALUES
(1, '15727228076', '', '', '', '', 0, ''),
(2, '15727228076', '7', '6', '+', '13', -1, 'jingshan'),
(3, '13880425377', '9', '6', '+', '15', -1, 'jingshan'),
(4, '13880425377', '8', '7', '+', '15', -1, 'jingshan'),
(5, '13880425377', '8', '9', '*', '72', -1, 'jingshan'),
(6, '13880425377', '6', '7', '+', '13', 1, 'jingshan'),
(7, '13880425377', '89', '7', '+', '96', -1, 'jingshan'),
(8, '13880425377', '67', '8', '+', '75', 1, 'jingshan'),
(9, '13880425377', '2', '7', '+', '9', 1, 'jingshan'),
(10, '13880425377', '78', '7', '+', '85', 1, 'jingshan'),
(11, '13880425377', '12', '9', '*', '108', 1, 'jingshan'),
(12, '13880425377', '23', '7', '-', '16', 1, 'jingshan'),
(13, '13880425377', '67', '2', '-', '65', 1, 'jingshan'),
(14, '13880425377', '34', '7', '+', '41', 1, 'jingshan'),
(15, '13880425377', '78', '8', '/', '9.75', 1, 'jingshan'),
(16, '13880425377', '72', '9', '+', '81', 1, 'jingshan'),
(17, '13880425377', '78', '9', '+', '0', 1, 'mao'),
(18, '13880425377', '67', '9', '+', '0', 1, 'mao'),
(19, '13880425377', '78', '9', '+', '0', 1, 'mao'),
(20, '13880425377', '78', '9', '+', '0', 1, 'mao'),
(21, '13880425377', '67', '8', '+', '0', 1, 'mao'),
(22, '13880425377', '62', '8', '+', '0', 1, 'mao'),
(23, '13880425377', '12', '9', '*', '0', 1, 'mao'),
(24, '13880425377', '12', '9', '+', '0', 1, 'mao'),
(25, '13880425377', '7', '8', '-', '0', 1, 'mao'),
(26, '13880425377', '2', '4', '+', '0', 1, 'mao'),
(27, '13880425377', '8', '9', '*', '0', 1, 'mao'),
(28, '13880425377', '8', '9', '+', '0', 1, 'mao'),
(29, '13880425377', '12', '9', '*', '108.00', 1, 'mao'),
(30, '13880425377', '7', '8', '+', '15.00', 1, 'mao'),
(31, '13880425377', '1', '9', '*', '9.00', 1, 'mao'),
(32, '13880425377', '29', '7', '*', '203.00', 1, 'mao'),
(33, '13880425377', '95', '8', '/', '11.88', 1, 'mao'),
(34, '13880425377', '67', '98', '*', '6566.00', 1, 'mao'),
(35, '13880425377', '22', '9', '-', '13.00', 1, 'mao'),
(36, '13880425377', '45', '9', '/', '5.00', 1, 'mao'),
(37, '13880425377', '555', '777', '+', '1332.00', 1, 'mao'),
(38, '13880425377', '89', '0', '-', '89.00', 1, 'mao'),
(39, '13880425377', '0', '89', '0', '89.00', 1, 'mao');
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
---------------------更多关于thinkPHP相关内容感兴趣的读者可查看本站专题：《ThinkPHP入门教程》、《thinkPHP模板操作技巧总结》、《ThinkPHP常用方法总结》、《codeigniter入门教程》、《CI(CodeIgniter)框架进阶教程》、《Zend FrameWork框架入门教程》及《PHP模板技术总结》。
希望本文所述对大家基于ThinkPHP框架的PHP程序设计有所帮助。
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