首页
所有分类
TAGS
文字工具 EMOJI BIBLE
编程 PHP

thinkPHP框架实现的简单计算器示例

Posted in PHP onDecember 07, 2018

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

thinkPHP框架实现的简单计算器示例

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 */;
--
-- ?料?? `cal`
--
-- --------------------------------------------------------
--
-- 表的??? `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 ;
--
-- ?存?料表中的?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 */;
---------------------

希望本文所述对大家基于ThinkPHP框架的PHP程序设计有所帮助。

thinkPHP框架实现的简单计算器示例

- Author -

luckymaoyy

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

PHP 相关文章推荐
国内php原创论坛
Oct 09 PHP
一个用mysql_odbc和php写的serach数据库程序
Oct 09 PHP
PHP+FLASH实现上传文件进度条相关文件 下载
Jul 21 PHP
PHP中Date()时间日期函数的使用方法小结
Apr 20 PHP
php批量删除超链接的实现方法
Oct 19 PHP
php实现基于PDO的预处理示例
Mar 28 PHP
php实现自定义中奖项数和概率的抽奖函数示例
May 26 PHP
ThinkPHP框架使用redirect实现页面重定向的方法实例分析
Apr 12 PHP
TP5(thinkPHP5框架)实现显示错误信息及行号功能的方法
Jun 03 PHP
PHP pthreads v3在centos7平台下的安装与配置操作方法
Feb 21 PHP
THINKPHP5.1 Config的配置与获取详解
Jun 08 PHP
如何解决php-fpm启动不了问题
Nov 17 PHP
PHP实现的简单留言板功能示例【基于thinkPHP框架】
Dec 07 #PHP
laravel5使用freetds连接sql server的方法
Dec 07 #PHP
php多进程模拟并发事务产生的问题小结
Dec 07 #PHP
Ubuntu 16.04中Laravel5.4升级到5.6的步骤
Dec 07 #PHP
PHP ajax+jQuery 实现批量删除功能实例代码小结
Dec 06 #PHP
PHP实现简易计算器功能
Aug 28 #PHP
laravel5实现微信第三方登录功能
Dec 06 #PHP
南麂列岛(1) MX500(1) SRF-S83(1) 森海(1) 台湾(1) S2000(3) YB235(1) PL660(1) 直流胆(1) YB400(2)
You might like
使用php实现下载生成某链接快捷方式的解决方法
2013/05/07 PHP
浅谈Eclipse PDT调试PHP程序
2014/06/09 PHP
PHP curl伪造IP地址和header信息代码实例
2015/04/27 PHP
php正则替换处理HTML页面的方法
2015/06/17 PHP
PHP用户管理中常用接口调用实例及解析（含源码）
2017/03/09 PHP
PHP Post获取不到非表单数据的问题解决办法
2018/02/27 PHP
JavaScript闭包 懂不懂由你反正我是懂了
2011/10/21 Javascript
raphael.js绘制中国地图 地图绘制方法
2014/02/12 Javascript
IE中JS跳转丢失referrer问题的2个解决方法
2014/07/18 Javascript
jquery+json实现动态商品内容展示的方法
2016/01/14 Javascript
JS获取时间的相关函数及时间戳与时间日期之间的转换
2016/02/04 Javascript
JavaScript中boolean类型之三种情景实例代码
2016/11/21 Javascript
bootstrap时间控件daterangepicker使用方法及各种小bug修复
2017/10/25 Javascript
vue 优化CDN加速的方法示例
2018/09/19 Javascript
react native 原生模块桥接的简单说明小结
2019/02/26 Javascript
vue使用localStorage保存登录信息 适用于移动端、PC端
2019/05/27 Javascript
微信小程序封装分享与分销功能过程解析
2019/08/13 Javascript
细说webpack6 Babel的使用详解
2019/09/26 Javascript
通过javascript实现扫雷游戏代码实例
2020/02/09 Javascript
python轻松实现代码编码格式转换
2015/03/26 Python
linux平台使用Python制作BT种子并获取BT种子信息的方法
2017/01/20 Python
Python如何import文件夹下的文件(实现方法)
2017/01/24 Python
python3爬取各类天气信息
2018/02/24 Python
python flask中动态URL规则详解
2019/11/22 Python
CentOS 7如何实现定时执行python脚本
2020/06/24 Python
音乐学个人的自荐书范文
2013/11/26 职场文书
培训研修方案
2014/06/06 职场文书
生物科学专业自荐书
2014/06/20 职场文书
党委班子剖析材料
2014/08/21 职场文书
机关驾驶员违规检讨书
2014/09/13 职场文书
2015年世界环境日活动方案
2015/05/05 职场文书
污水处理保证书
2015/05/09 职场文书
2015年高三班主任工作总结
2015/05/21 职场文书
党支部考察鉴定意见
2015/06/02 职场文书
大学生志愿者心得体会
2016/01/15 职场文书
大学生饮品店创业计划书范文
2019/07/10 职场文书