/**
* 将标签的值格式化
* id  标签id
* min 最小值
* max 最大值
*/
function toFloat(id,min,max){
    var htmlVal = $("#"+id).html();
    var index = htmlVal.indexOf(".");
    var result = "";
    if(index > 0){
        htmlVal = htmlVal.replaceAll("0+?$","");
        var len =  htmlVal.substring(index+1).length;
        if(len > min){
                if(len > max){
                    result = Number(htmlVal).toFixed(max);
                    result = result.replaceAll("0+?$","");
                }else{
                    result = Number(htmlVal).toFixed(len);
                    result = result.replaceAll("0+?$","");
                }
        }else {
            result = Number(htmlVal).toFixed(min);
        }
    }else {
        result = Number(htmlVal).toFixed(min);
        
    }
    $("#"+id).html(result);
}