debx(); function debx() { $dkm = 240; //贷款月数，20年就是240个月  $dkTotal = 10000; //贷款总额  $dknl = 0.0515; //贷款年利率  $emTotal = $dkTotal * $dknl / 12 * pow(1 + $dknl / 12, $dkm) / (pow(1 + $dknl / 12, $dkm) - 1); //每月还款金额  $lxTotal = 0; //总利息  for ($i = 0; $i < $dkm; $i++) { $lx = $dkTotal * $dknl / 12; //每月还款利息  $em = $emTotal - $lx; //每月还款本金  echo "第" . ($i + 1) . "期", " 本金:", $em, " 利息:" . $lx, " 总额:" . $emTotal, "<br />"; $dkTotal = $dkTotal - $em; $lxTotal = $lxTotal + $lx; } echo "总利息:" . $lxTotal; } function debj() { $dkm = 240; //贷款月数，20年就是240个月  $dkTotal = 10000; //贷款总额  $dknl = 0.0515; //贷款年利率  $em = $dkTotal / $dkm; //每个月还款本金  $lxTotal = 0; //总利息  for ($i = 0; $i < $dkm; $i++) { $lx = $dkTotal * $dknl / 12; //每月还款利息  echo "第" . ($i + 1) . "期", " 本金:", $em, " 利息:" . $lx, " 总额:" . ($em + $lx), "<br />"; $dkTotal -= $em; $lxTotal = $lxTotal + $lx; } echo "总利息:" . $lxTotal; } exit;

JS

define(function(require, exports, module) { require(‘jquery‘); alertM = require(‘alert‘); require(‘househighcharts‘); //15年3月1日利率 /*var lilv_array = new Array; lilv_array[31] = new Array; lilv_array[31][1] = new Array; lilv_array[31][2] = new Array; lilv_array[31][1][5] = 0.0575;//商贷 1～5年 5.75% lilv_array[31][1][10] = 0.0590;//商贷 5-30年 5.9% lilv_array[31][2][5] = 0.0350;//公积金 1～5年 3.5% lilv_array[31][2][10] = 0.0400;//公积金 5-30年 4.0%*/ var lilv_array = new Array; lilv_array[31] = new Array; lilv_array[31][1] = new Array; lilv_array[31][2] = new Array; lilv_array[31][1][5] = 0.069;//商贷 1～5年 5.75% lilv_array[31][1][10] = 0.0705;//商贷 5-30年 5.9% lilv_array[31][2][5] = 0.0350;//公积金 1～5年 3.5% lilv_array[31][2][10] = 0.0400;//公积金 5-30年 4.0% //弹出下拉框 $(".xf-select").click(function(){ $(".xf-select").css({zIndex:1}); $(".xf-select ul").hide(); $(this).css({zIndex:999}); if($("ul",this).is(":visible")){ $("ul",this).hide(); }else{ $("ul",this).show(); } return false; }); $("body").click(function(){$(".xf-select ul").hide();}); var junjia,zongjia,anjie,daikuan,shoufu; //下拉框选项单击事件 $(".xf-select ul li").mouseenter(function(){ $(this).addClass("on"); }).mouseleave(function(){ $(this).removeClass("on"); }).click(function(){ $(this).parent().prev().find("span").text($(this).text()); $(this).parent().prev().find("input").val($(this).data("code")); $(this).parent().hide(); //贷款总额 junjia = $("#zongjia").data("junjia"); zongjia = Math.round($("#housetype").val() * junjia / 10000); anjie = $("#val_loanratio").val(); //填充总价格 $("#label_price").html("<p><strong>"+ zongjia +"</strong>万元<span>（均价<em>"+ junjia +"</em>元/m2）</span></p>"); daikuan = Math.round(anjie/100*zongjia); shoufu = zongjia - daikuan; $("#label_totalprice").html("（贷款总额"+daikuan+"万）"); if($("#val_loantype").val() == 3){ $("#content_scale").removeClass("none"); }else{ $("#content_scale").addClass("none"); } return false; }); //本息还款的月还款额(参数: 年利率/贷款总额/贷款总月份) function getMonthMoney(lilv,total,month){ var lilv_month = lilv / 12;//月利率 return total * lilv_month * Math.pow(1 + lilv_month, month) / ( Math.pow(1 + lilv_month, month) -1 ); } //验证是否为数字 function reg_Num(str){ if (str.length==0){return false;} var Letters = "1234567890."; for (i=0;i<str.length;i++){ var CheckChar = str.charAt(i); if (Letters.indexOf(CheckChar) == -1){return false;} } return true; } function jisuan(){ junjia = $("#zongjia").data("junjia"); zongjia = Math.round($("#housetype").val() * junjia / 10000); anjie = $("#val_loanratio").val(); //填充总价格 $("#label_price").html("<p><strong>"+ zongjia +"</strong>万元<span>（均价<em>"+ junjia +"</em>元/m2）</span></p>"); daikuan = Math.round(anjie/100*zongjia); shoufu = zongjia - daikuan; //商业贷款、住房公积金贷款、组合贷款 var loantype = $("#val_loantype").val(); //贷款年数，5年 | 5年以上 var years = $("#val_loanmonth").val() < 5 ? 5 : 10; //还款期数 var month = $("#val_loanmonth").val() * 12; var yuehuankuan,lixi; if(loantype < 3){ //商业&公积金贷款 //月还款 yuehuankuan = Math.round(getMonthMoney(lilv_array[31][loantype][years],daikuan,month)*10000); //月还款 //应还利息 lixi = Math.round(yuehuankuan * month / 10000 - daikuan); }else{ //组合贷款 var lilv_sd = lilv_array[31][1][years]; //得到商贷利率 var lilv_gjj = lilv_array[31][2][years]; //得到公积金利率 var daikuan_sy = $("#val_loanbussiness").val(); //商业性贷款总额 var daikuan_gjj = $("#val_loanfund").val(); //公积金贷款总额 if(daikuan_gjj == ""){ $("#gjjtip").removeClass("none"); return; }else if(daikuan_sy == ""){ $("#sdtip").removeClass("none"); return; }else if(!reg_Num(daikuan_sy) || !reg_Num(daikuan_gjj)){ alertM("贷款金额必须为数字",{cName: "error"}); return; } //金额错误 if(parseInt(daikuan_sy)+parseInt(daikuan_gjj) != daikuan){ $("#gjjtip span").text("总金额错误").removeClass("none"); $("#sdtip span").addClass("none"); $("#gjjtip").removeClass("none"); return; }else{ $("#gjjtip span").addClass("none"); } //月还款 var month_money = getMonthMoney(lilv_sd,daikuan_sy,month) + getMonthMoney(lilv_gjj,daikuan_gjj,month);//调用函数计算 yuehuankuan = Math.round(month_money*10000); //还款总额 var all_total1 = month_money * month; //支付利息款 lixi = Math.round(all_total1 - daikuan); } //填充内容 $(".price").text(yuehuankuan); $(".legend-pay span").html("参考首付："+shoufu+"万（"+(100-anjie)/10+"成）"); $(".legend-price span").html("贷款金额："+daikuan+"万（"+(anjie/10)+"成）"); $(".legend-rate span").html("支付利息："+lixi+"万"); $(".legend-rate span").html("支付利息："+lixi+"万<em><br>（利率公积金"+Math.round(lilv_array[31][2][years]*10000)/100+"%，商业性"+Math.round(lilv_array[31][1][years]*10000)/100+"%）</em>"); //初始化圆饼图 initPie(shoufu,daikuan,lixi); } //初始化 jisuan(); //开始计算按钮 $("#btn_startup").click(function(){ jisuan(); }); //初始化统计图 function initPie(shoufu,daikuan,lixi){ var arrPieData = [{name: "参考首付",y: shoufu,events: {mouseOver: function() { $(".legend-pay").addClass("on") },mouseOut: function() { $(".legend-pay").removeClass("on") }}}, {name: "贷款金额",y: daikuan,events: {mouseOver: function() { $(".legend-price").addClass("on") },mouseOut: function() { $(".legend-price").removeClass("on") }}}, {name: "支付利息",y:lixi,events: {mouseOver: function() { $(".legend-rate").addClass("on") },mouseOut: function() { $(".legend-rate").removeClass("on") }}}]; var a = new Highcharts.Chart({ colors: ["#2F69BF", "#A2BF2F", "#BF5A2F"], chart: { type: "pie", renderTo: "result-charts", backgroundColor: "#f9f9f9" }, title: { text: " ", }, credits: { enabled: false }, tooltip: { enabled: false }, plotOptions: { pie: { allowPointSelect: true, cursor: "pointer", borderWidth: 1, dataLabels: { enabled: false }, innerSize: "40%", shadow: false } }, series: [{ type: "pie", data: arrPieData }] }); }});