律师费计算软件

企业开发 2018-05-14 22:31:49 阅读次数: 2 
<html>
<head>
	<script type="text/javascript" src="http://code.jquery.com/jquery-1.5.1.min.js" ></script>
  <script type="text/javascript">
function Result(){
  this.minFee = 0;
  this.maxFee = 0;
}

function RuleSegment() {
  this.startAmount = 0,
  this.endAmount = 0,
  this.startRate = 0,
  this.endRate = 0;
  this.isRateFlag = true;

  this.init = function(startAmount,endAmount,startRate,endRate,isRateFlag) {
    this.startAmount = startAmount;
    this.endAmount = endAmount;
    this.startRate = startRate;
    this.endRate = endRate;
    this.isRateFlag = isRateFlag;
  };

  this.calcFee = function(amount) {
    return calcLawFee(amount,this.startAmount,this.endAmount,this.startRate,this.endRate);
  };

  this.isThisSegment = function(amount) {
    if( amount<=this.endAmount && amount > this.startAmount) {
       return true;
    }
    return false;
  };

  this.isCalcNextSeg = function(amount) {
    if( amount>this.endAmount) {
       return true;
    }
    return false;
  }
}

function calcLawFee(amount,startAmount,endAmount,startRate,endRate) {
  var result = new Result();
  if(amount > endAmount) {
      amount = endAmount;
  }
  var minFee = (amount - startAmount) * startRate;
  var maxFee = (amount - startAmount) * endRate;
  result.minFee = minFee;
  result.maxFee = maxFee;
  return result;
}
var arr = [];
function calc() {
	var flag = validation();
	if(!flag) {
		alert('标的费格式错误，请重试！');
		return ;
	}
  refreshRuleArrFromLayout();
  var amount = $('#amount').val();
  amount = amount * 1;
  setValue(calcTotalFee(amount));
}

function setValue(result) {
  $('#minFee').text(result.minFee);
  $('#maxFee').text(result.maxFee);
}

function calcTotalFee(amount) {
  var minSum = 0;
  var maxSum = 0;
  for(var i=0;i<arr.length;i++){
    var ruleSeg = arr[i];
    var tempResult = ruleSeg.calcFee(amount);
    minSum += (tempResult.minFee*1);
    maxSum += (tempResult.maxFee*1);
    if(!ruleSeg.isCalcNextSeg(amount)) break; 
  }
  var sumResult = new Result();
  sumResult.minFee = minSum;
  sumResult.maxFee = maxSum;
  return sumResult;
}

function validation(){
	var reg = /^\d+.?\d+$/;
	var val = $('#amount').val();
	return reg.test(val);
}

function RuleFactory() {
	this.createCurrentRules = function() {
		
	}
	
	this.createDefaultRules = function() {
		var arr1 = [];
		var one_seg = new RuleSegment();
	  one_seg.init(0,100000,1000,8000,false);
	  one_seg.calcFee = function(amount) {
	    var result = new Result();
	    result.minFee = 1000;
	    result.maxFee = 8000;
	    return result;
	  };
	  var two_seg = new RuleSegment();
	  two_seg.init(100000,500000,0.04,0.06,true);
	  var three_seg = new RuleSegment();
	  three_seg.init(500000,1000000,0.03,0.05,true);
	  var four_seg = new RuleSegment();
	  four_seg.init(1000000,5000000,0.02,0.04,true);
	  var five_seg = new RuleSegment();
	  five_seg.init(5000000,10000000,0.01,0.03,true);
	  var six_seg = new RuleSegment();
	  six_seg.init(10000000,'',0.01,0.02,true);
	  six_seg.calcFee = function(amount) {
	    var result = new Result();
	    var minFee = (amount - this.startAmount) * this.startRate;
	    var maxFee = (amount - this.startAmount) * this.endRate;
	    result.minFee = minFee;
	    result.maxFee = maxFee;
	    return result;
	  };
	  arr1.push(one_seg);
	  arr1.push(two_seg);
	  arr1.push(three_seg);
	  arr1.push(four_seg);
	  arr1.push(five_seg);
	  arr1.push(six_seg);
	  return arr1;
	}
	
	this.createRulesByLayout = function(){
		var arr_trs = $("tbody tr[id!='tmpl_tr']",$("#tbl_rule"));
		var len = arr_trs.length;
		for(var i=0;i<len;i++){
			var one_seg = this.createRuleByOneLayout(arr_trs[i]);
			one_seg = this.createSpecialRule(one_seg,i,len);
			arr.push(one_seg);
		}
	}
	
	this.createRuleByOneLayout = function(obj_tr){
		 var one_seg = new RuleSegment();
		 one_seg.startAmount = $("#startAmount",obj_tr).val();
		 one_seg.endAmount = $("#endAmount",obj_tr).val();
		 one_seg.startRate = $("#startRate",obj_tr).val();
		 one_seg.endRate = $("#endRate",obj_tr).val();
		 one_seg.isRateFlag = $("#isRateFlag",obj_tr)[0].checked;
		 return one_seg;
	}
	
	this.createSpecialRule =function(rule_element,ind,len){
		if(!rule_element.isRateFlag){
			rule_element.calcFee = function(amount) {
		    var result = new Result();
		    result.minFee = rule_element.startRate;
		    result.maxFee = rule_element.endRate;
		    return result;
	  	};
		}
		if(ind == len-1){
			rule_element.calcFee = function(amount) {
		    var result = new Result();
		    var minFee = (amount - rule_element.startAmount) * rule_element.startRate;
		    var maxFee = (amount - rule_element.startAmount) * rule_element.endRate;
		    result.minFee = minFee;
		    result.maxFee = maxFee;
		    return result;
	  	};
		}
		return rule_element;
	}
	
}

var ruleFactory = new RuleFactory();

function loadDefaultRules() { 
	arr = ruleFactory.createDefaultRules();
	generateRuleLayout(arr);
}

function generateRuleLayout(arr) {
	var tbl = $('#tbl_rule');
	var tmpl_tr = $('#tmpl_tr');
	resetTemplateTbl();
	for(var i=0;i<arr.length;i++){
		var oneRule = arr[i];
		var new_tr = tmpl_tr.clone(true);
		$("#segment",new_tr).text("第"+(i+1)+"阶段");
	  $("#startAmount",new_tr).val(oneRule.startAmount);
	  $("#endAmount",new_tr).val(oneRule.endAmount);
	  $("#startRate",new_tr).val(oneRule.startRate);
	  $("#endRate",new_tr).val(oneRule.endRate);
	  if(oneRule.isRateFlag){
	  	$("#isRateFlag",new_tr).attr("checked",true);
	  }else {
	  	$("#isRateFlag",new_tr).attr("checked",false);
	  }
	  $("input",new_tr).attr("disabled",true);
	  $(new_tr).attr("id","new_tr_"+(i+1));
	  $(new_tr).css("display","");
	  $(tbl).append(new_tr);
	}
}

function resetTemplateTbl() {
	$("tbody tr[id!='tmpl_tr']",'#tbl_rule').remove();
}

function validateRuleData(){
	var inputArr = $("tbody tr[id!='tmpl_tr'] input[id!='endAmount']",'#tbl_rule');
	for(var i=0;i<inputArr.length;i++){
		if(inputArr[i].value == ''){
			alert('金额和税率不能为空！');
			return false;
		}
	}
	var endAmountArr = $("tbody tr[id!='tmpl_tr'] input[id='endAmount']",'#tbl_rule');
	var flag = true;
	var sum = 0;
	for(var i= endAmountArr.length -1;i>=0;i--){
		if( i== endAmountArr.length -1 && endAmountArr[i].value != '') {
			alert('最后一个阶段的结束金额必须为空！');
			return false;
		}
		if( endAmountArr[i].value == '' ){
			sum++;
		}
		if(sum >=2){
			alert('只有最后一个阶段的结束金额可以为空！');
			return false;
		}
	}
	var len = $("tbody tr[id!='tmpl_tr']",'#tbl_rule').length;
	if(!$("#isRateFlag",$("tbody tr[id!='tmpl_tr']",'#tbl_rule')).eq(len-1)[0].checked){
		alert('最后一个阶段必须采用税率!');
		return false;
	}	
	return true;
}

function refreshRuleArrFromLayout() { 
	if(!validateRuleData()) {
		return ;
	}
	arr = [];
	ruleFactory.createRulesByLayout();
	lockLayout();
}

function unlockLayout() {
	$("tbody tr[id!='tmpl_tr'] input","#tbl_rule").attr("disabled",false);
}

function lockLayout() {
	$("tbody tr[id!='tmpl_tr'] input","#tbl_rule").attr("disabled",true);
}

function addNewRuleLayout(){
	var tbl = $('#tbl_rule');
	var tmpl_tr = $('#tmpl_tr');
	var new_tr = tmpl_tr.clone(true);
	var len = $("tbody tr[id!='tmpl_tr']",tbl).length;
	$("#segment",new_tr).text("第"+(len+1)+"阶段");
	$(new_tr).attr("id","new_tr_"+(len+1));
  $(new_tr).css("display","");
  $(tbl).append(new_tr);
  $("#endAmount",$("tbody tr[id!='tmpl_tr']",tbl).eq(len-1)).attr("disabled",false);
}

function deleteNewRuleLayout(){
	var tbl = $('#tbl_rule');
	var tmpl_tr = $('#tmpl_tr');
	var new_tr = tmpl_tr.clone(true);
	var len = $("tbody tr[id!='tmpl_tr']",tbl).length;
  $($("tbody tr[id!='tmpl_tr']",tbl)[len-1]).remove();
  $("#endAmount",$("tbody tr[id!='tmpl_tr']",tbl).eq(len-2)).val("");
}

$(document).ready(function(){
 loadDefaultRules();
});


</script>
</head>
<body>
<h>律师费计算公式</h>
<table width="55%">
<tr>
<td align="center">
</td>
</tr>
<tr>
<td >标的费：<input type="text" id="amount" />
<input type="button" onclick="calc();" value="计算" />
</tr>
</table>
<table id="tbl_rule" width="55%">
	<thead>
		<tr>
			<td>费用计算规则</td>
			</tr>
			<tr>
			<td>
			&nbsp;
			</td>
			<td align="center" width="35%">起始金额</td>
			<td align="center">最低金额/税率 </td>
			<td align="center">最高金额/税率 </td>
		</tr>
	</thead>
	<tbody>
		<tr id="tmpl_tr" style="display:none">
			<td>
			<label id="segment" />
			</td>
			<td>
				<input type="text" value="" id="startAmount" size="10"/> - <input type="text" value="" id="endAmount" size="10"/>
			</td>
			<td>
				<input type="text" value="" id="startRate" size="5" />
			</td>
			<td>
				<input type="text" value="" id="endRate" size="5" />
			</td>
			<td>
				<input type="checkbox" selected id="isRateFlag" />是否采用税率
			</td>
		</tr>
	</tbody>
</table>
<table  width="55%">
	<tr>
		<td align="right"><input type="button" value="删除一个阶段" onclick="deleteNewRuleLayout()" /> <input type="button" value="增加一个新阶段" onclick="addNewRuleLayout();"/>
			<input type="button" value="更新当前阶段" onclick="unlockLayout()" /><input type="button" value="保存当前阶段" onclick="refreshRuleArrFromLayout()" />
		</td>
</tr>
		
<tr>
<td >
合计最低金额：<label id="minFee"></label>元
</td>
</tr>
<tr>
<td >
合计最高金额：<label id="maxFee"></label>元
</td>
</tr>
</table>

</body>
</html>

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