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
用php和MySql来与ODBC数据连接
Oct 09 PHP
由php的call_user_func传reference引发的思考
Jul 23 PHP
php debug 安装技巧
Apr 30 PHP
PHP实现邮件群发的源码
Jun 18 PHP
PHP 输出URL的快捷方式示例代码
Sep 22 PHP
PHP采用自定义函数实现遍历目录下所有文件的方法
Aug 19 PHP
php常用hash加密函数
Nov 22 PHP
php rsa加密解密使用详解
Jan 14 PHP
php使用指定编码导出mysql数据到csv文件的方法
Mar 31 PHP
php的常量和变量实例详解
Jun 27 PHP
php+layui数据表格实现数据分页渲染代码
Oct 26 PHP
使用Git实现Laravel项目的自动化部署
Nov 24 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
R601SW(1) 沃尔沃(1) VOLVO(1) ETON(1) S900(1) E1-XM(1) DSP(2) 矿石收音机(1) 放大器(1) 接收机(2)
You might like
php5新改动之短标记启用方法
2008/09/11 PHP
检查url链接是否已经有参数的php代码 添加 ? 或 &amp;
2010/02/09 PHP
PHP CLI模式下的多进程应用分析
2013/06/03 PHP
php遍历树的常用方法汇总
2015/06/18 PHP
crontab无法执行php的解决方法
2016/01/25 PHP
php求今天、昨天、明天时间戳的简单实现方法
2016/07/28 PHP
搜索附近的人PHP实现代码
2018/02/11 PHP
JavaScript中“+”的陷阱深刻理解
2012/12/04 Javascript
JS+CSS实现自适应选项卡宽度的圆角滑动门效果
2015/09/15 Javascript
js实现异步循环实现代码
2016/02/16 Javascript
基于Bootstrap漂亮简洁的CSS3价格表(附源码下载)
2017/02/28 Javascript
原生JS实现左右箭头选择日期实例代码
2017/03/14 Javascript
Vuex模块化实现待办事项的状态管理
2017/03/15 Javascript
Vue ElementUI之Form表单验证遇到的问题
2017/08/21 Javascript
js实现canvas保存图片为png格式并下载到本地的方法
2017/08/31 Javascript
ES6 中可以提升幸福度的小功能
2018/08/06 Javascript
ckeditor一键排版功能实现方法分析
2020/02/06 Javascript
Element的el-tree控件后台数据结构的生成以及方法的抽取
2020/03/05 Javascript
Python入门之三角函数全解【收藏】
2017/11/08 Python
详解Python使用tensorflow入门指南
2018/02/09 Python
python实现自动发送报警监控邮件
2018/06/21 Python
django中ORM模型常用的字段的使用方法
2019/03/05 Python
如何使用Python进行OCR识别图片中的文字
2019/04/01 Python
python psutil监控进程实例
2019/12/17 Python
python 实现将list转成字符串,中间用空格隔开
2019/12/25 Python
Pycharm+Python工程,引用子模块的实现
2020/03/09 Python
HTML5之SVG 2D入门1—SVG(可缩放矢量图形)概述
2013/01/30 HTML / CSS
HTML5 Canvas 实现K线图的示例代码
2019/12/23 HTML / CSS
英国版MAC彩妆品牌：Illamasqua
2018/04/18 全球购物
美国购买体育、音乐会和剧院门票网站：SelectATicket
2019/09/08 全球购物
在求职信中如何凸显个人优势
2013/10/30 职场文书
安全横幅标语
2014/06/09 职场文书
批评与自我批评范文
2014/10/15 职场文书
2014年小学教导处工作总结
2014/12/19 职场文书
世界地球日活动总结
2015/02/09 职场文书
mysql联合索引的使用规则
2021/06/23 MySQL