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| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
<title>复利增长模型</title>
<style>
html, body {
height: 100%;
margin: 0px;
padding: 0px;
background-color: #f5faff;
}
input{
width: 190px;
height: 27px;
background:none;
outline:none;
border:none;
font-size: 14px;
font-weight: 700;
font-family: "Microsoft soft";
}
.inputContent {
overflow: hidden;
background-color: white;
border-radius: 3px;
outline-style: none ;
border: 1px solid #ccc;
margin: 5px auto;
width: 300px;
height: 30px;
}
.inputLabel {
padding: 0 5px;
font-size: 14px;
font-weight: 700;
color: grey;
}
.inputContentClick{
border-color: #66afe9 !important;
box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6)!important;
}
.flexBottom{
position: fixed !important;
bottom: 0px;
}
.fullScreen {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
background-color: #f5faff;
position: fixed !important;
bottom: 0px;
z-index: 100;
}
.closeFullScreen {
position: fixed;
bottom: 0.5rem;
right: 0.5rem
}
.openFullScreen {
font-size: 1.5rem;
user-select:none;
position: fixed;
top: 0.5rem;
right: 0.5rem;
z-index: 99;
}
.fullScreenShowDiv {
height: calc(100% - 3rem);
width: calc(100% - 2rem);
margin: 1rem;
}
.button{
width: 140px;
line-height: 38px;
text-align: center;
font-weight: bold;
color: #fff;
text-shadow:1px 1px 1px #333;
border-radius: 5px;
margin:0 20px 20px 0;
position: relative;
overflow: hidden;
}
.button:nth-child(6n){
margin-right: 0;
}
.button.gray{
color: #8c96a0;
text-shadow:1px 1px 1px #fff;
border:1px solid #dce1e6;
box-shadow: 0 1px 2px #fff inset,0 -1px 0 #a8abae inset;
background: -webkit-linear-gradient(top,#f2f3f7,#e4e8ec);
background: -moz-linear-gradient(top,#f2f3f7,#e4e8ec);
background: linear-gradient(top,#f2f3f7,#e4e8ec);
}
.round,.side,.tags{
padding-right: 30px;
}
.tags:after{
font-weight: normal;
position: absolute;
display: inline-block;
content: "ADD TO";
top:-3px;
right: -33px;
color: #fff;
text-shadow:none;
width: 85px;
height:25px;
line-height: 28px;
-webkit-transform:rotate(45deg) scale(.7,.7);
-moz-transform:rotate(45deg) scale(.7,.7);
transform:rotate(45deg) scale(.7,.7);
}
.gray.tags:after{
background: #8c96a0;
border:2px solid #fff;
}
</style>
</head>
<body>
<div class="fullScreen">
<div class="fullScreenShowDiv">
<div id="fullScreenMain" style="transform:rotate(90deg);transform-origin:0 100%;position: relative;"></div>
</div>
<span class="closeFullScreen" onclick="document.getElementsByClassName('fullScreen')[0].style.display='none'">
<svg class="icon" style="width: 1em;height: 1em;vertical-align: middle;fill: currentColor;overflow: hidden;" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="569"><path d="M354.133333 682.666667H256v-42.666667h170.666667v170.666667H384v-98.133334L243.2 853.333333l-29.866667-29.866666L354.133333 682.666667z m358.4 0l140.8 140.8-29.866666 29.866666-140.8-140.8V810.666667h-42.666667v-170.666667h170.666667v42.666667h-98.133334zM354.133333 384L213.333333 243.2l29.866667-29.866667L384 354.133333V256h42.666667v170.666667H256V384h98.133333z m358.4 0H810.666667v42.666667h-170.666667V256h42.666667v98.133333L823.466667 213.333333l29.866666 29.866667L712.533333 384z" fill="#444444" p-id="570"></path></svg>
</span>
</div>
<span class="openFullScreen" onclick="document.getElementsByClassName('fullScreen')[0].style.display=''">
<svg class="icon" style="width: 1em;height: 1em;vertical-align: middle;fill: currentColor;overflow: hidden;" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="533"><path d="M285.866667 810.666667H384v42.666666H213.333333v-170.666666h42.666667v98.133333l128-128 29.866667 29.866667-128 128z m494.933333 0l-128-128 29.866667-29.866667 128 128V682.666667h42.666666v170.666666h-170.666666v-42.666666h98.133333zM285.866667 256l128 128-29.866667 29.866667-128-128V384H213.333333V213.333333h170.666667v42.666667H285.866667z m494.933333 0H682.666667V213.333333h170.666666v170.666667h-42.666666V285.866667l-128 128-29.866667-29.866667 128-128z" fill="#444444" p-id="534"></path></svg>
</span>
<div id="main" style="width: 100%; height:calc(100% - 300px);clear: both"></div>
<div style = "width: 100%; height: 256px" class="flexBottom">
<div style = "width: 305px; margin: auto">
<div class="inputContent">
<label for="name" class="inputLabel">组合名</label>
<input id="name" onfocus="inputfocus(this)" onblur="inputBlur(this)"/>
</div>
<div class="inputContent">
<label for="principal" class="inputLabel">初始值</label>
<input id="principal" onfocus="inputfocus(this)" onblur="inputBlur(this)"/>
</div>
<div class="inputContent">
<label for="interestRate" class="inputLabel">利率/年</label>
<input id="interestRate" onfocus="inputfocus(this)" onblur="inputBlur(this)"/>
</div>
<div class="inputContent">
<label for="time" class="inputLabel">周期/月</label>
<input id="time" onfocus="inputfocus(this)" onblur="inputBlur(this)"/>
</div>
<div class="inputContent">
<label for="append" class="inputLabel">周期追加</label>
<input id="append" onfocus="inputfocus(this)" onblur="inputBlur(this)"/>
</div>
<div style="width: 325px">
<div style="margin: auto">
<button type="button" class="button gray" onclick="defaultShow()">重新展示</button>
<button type="button" class="button gray tags" onclick="defaultAppend()">追加展示</button>
</div>
</div>
</div>
</div>
</body>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/dist/echarts.min.js"></script>
<script>
var fullScreenH = document.getElementsByClassName('fullScreenShowDiv')[0].offsetHeight;
var fullScreenW = document.getElementsByClassName('fullScreenShowDiv')[0].offsetWidth;
document.getElementById("fullScreenMain").style.height = fullScreenW + 'px';
document.getElementById("fullScreenMain").style.bottom = fullScreenW + 'px';
document.getElementById("fullScreenMain").style.width = fullScreenH + 'px';
document.getElementsByClassName('fullScreen')[0].style.display='none';
var nameIndex = 1;
var myChart = echarts.init(document.getElementById('main'));
var fullScreenChart = echarts.init(document.getElementById('fullScreenMain'));
window.currentData = [];
/**
* 计算周期值
*/
function getCompoundInterest(principal, interestRate, time, append) {
interestRate = formatRate(interestRate);
interestRate = Math.pow(interestRate + 1, 1/12);
append = isNumber(append) ? append : 0;
var principals = [principal];
var title = [0];
var calculationProcess = [principal];
for (let i = 1; i <= time; i++) {
calculationProcess[i] = principal + "*" + interestRate + "+" + append + "=" + principal;
principal = principal * interestRate + append;
principals[i] = Math.floor(principal * 100) / 100;
title[i] = i;
}
var data = {};
data.legend = ["周期"];
data.xAxis = title;
data.value = principals;
return [principals, calculationProcess];
}
/**
* 显示值到视图，覆盖之前的
*/
function showCompoundInterest(principal, interestRate, time, append, name){
nameIndex = 1;
var res = getCompoundInterest(principal, interestRate, time, append);
window.currentData = null;
window.currentData = [resToData(res[0], name, principal, interestRate, time, append)];
myChart.setOption(getOptionByData(window.currentData), true);
fullScreenChart.setOption(getOptionByData(window.currentData), true);
}
/**
* 追加值到视图
*/
function appendShowCompoundInterest(principal, interestRate, time, append, name){
var res = getCompoundInterest(principal, interestRate, time, append);
var appendData = resToData(res[0], name, principal, interestRate, time, append);
var flag = true;
for (var i = 0; i < window.currentData.length; i++) {
if(window.currentData[i].name == appendData.name) {
window.currentData[i] = appendData;
flag = false;
}
}
if(flag) {
window.currentData.push(appendData);
}
myChart.setOption(getOptionByData(window.currentData));
fullScreenChart.setOption(getOptionByData(window.currentData));
}
/**
* 构造值
*/
function resToData(res, name, principal, interestRate, time, append){
if(name==null){
name = "default"
}
return {
name: name,
data: res,
principal: principal,
interestRate: interestRate,
time: time,
append: append
};
}
/**
* 检测是否是数值型
*/
function isNumber(value) {
return typeof value === "number";
}
/**
* 格式化利率
*/
function formatRate(rate) {
return rate == null? 1 :rate;
}
/**
* 构造Echart配置
*/
function getOptionByData(data) {
var maxAxis = 0;
var legends = [];
var datas = [];
var dataXAxis = [];
for(let index=0; index<data.length; index++){
legends[index] = data[index].name;
let one = data[index];
one.type = 'line';
datas[index] = one;
maxAxis = one.data.length > maxAxis ? one.data.length : maxAxis;
}
for(let i=0;i<maxAxis;i++){
dataXAxis[i] = i;
}
option = {
title: {
text: '增长趋势'
},
tooltip: {
trigger: 'axis'
},
legend: {
data: legends
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {show: false}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: dataXAxis
},
yAxis: {
type: 'value'
},
series: datas
};
console.log(option);
return option;
}
/**
* 获取对象的值，空则返回默认值
*/
function getInputValOrElse(id, defaultVal){
var ob = document.getElementById(id);
var value = ob.value;
ob.value = "";
if(value == null || value == ""){
value = defaultVal + "";
}
return execStringExpression(value)
}
/**
* 获取名称的值，空则给默认值
*/
function getNameOrDefault() {
var ob = document.getElementById("name");
var value = ob.value;
ob.value = "";
if(value == null || value == ""){
value = "未命名组合" + nameIndex++;
}
return value;
}
/**
* 将字符当做命令执行（输入框可以输入简单公式）
*/
function execStringExpression(expr, info) {
let exprF = expr.replace(/\$\{([^}]+)\}/g, '${this[\'$1\'] || \'\'}');
const fn = new Function(`return \`${exprF}\``).bind(info || {});
try {
return eval(fn())
} catch(e) { console.log(e); }
return ''
}
/**
* 获取输入值并执行回调函数
*/
function getValueOrDefault(doFun){
var name = getNameOrDefault();
var principal = getInputValOrElse("principal", 0);
var interestRate = getInputValOrElse("interestRate", 0);
var time = getInputValOrElse("time", 0);
var append = getInputValOrElse("append", 0);
doFun(parseInt(principal), parseFloat(interestRate), parseInt(time), parseFloat(append), name);
}
/**
* 展示方法入口
*/
function defaultShow(){
getValueOrDefault(showCompoundInterest);
}
/**
* 追加方法入口
*/
function defaultAppend(){
getValueOrDefault(appendShowCompoundInterest);
}
/**
* 点击趋势数据的时候回填输入信息
*/
myChart.on('click', function (param) {
var name = param.seriesName;
for (var i = 0; i < window.currentData.length; i++) {
if(window.currentData[i].name == name) {
var crt = window.currentData[i];
document.getElementById("name").value = crt.name;
document.getElementById("principal").value = crt.principal;
document.getElementById("interestRate").value = crt.interestRate;
document.getElementById("time").value = crt.time;
document.getElementById("append").value = crt.append;
break;
}
}
});
function inputfocus(ob) {
ob.parentNode.className = "inputContent inputContentClick";
}
function inputBlur(ob) {
ob.parentNode.className = "inputContent";
}
showCompoundInterest(100, 0.8, 10, 0, "演示组合");
</script>
</html>
|