debx(); function debx() { $dkm= 240; //贷款月数，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，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:" . $lxTotal; } exit;
JS
define(function(require, exports, module) {require('jquery');alertM = require('alert');require('househighcharts');//3月1日利率/*var lilv_array = new Array;lilv_array[31] = new Array;lilv_array[31][1] = new Array;lilv_array[31][2] = new Array;lilv_array[31][1][5] = 0.0575;//商贷 1～5年 5.75%lilv_array[31][1][10] = 0.0590;//商贷 5-30年 5.9%lilv_array[31][2][5] = 0.0350;//公积金 1～5年 3.5%lilv_array[31][2][10] = 0.0400;//公积金 5-30年 4.0%*/var lilv_array = new Array;lilv_array[31] = new Array;lilv_array[31][1] = new Array;lilv_array[31][2] = new Array;lilv_array[31][1][5] = 0.069;//商贷 1～5年 5.75%lilv_array[31][1][10] = 0.0705;//商贷 5-30年 5.9%lilv_array[31][2][5] = 0.0350;//公积金 1～5年 3.5%lilv_array[31][2][10] = 0.0400;//公积金 5-30年 4.0%//弹出下拉框$(".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}]});}});
