thinkPHP框架实现的简单计算器示例
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2022-11-22 11:56:43
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
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。