/**
 * parse float保留两位小数，四舍五入
 * 空格或者非数字认为是0
 * @param x
 * @returns {*}
 */
function f2(x) {
    if(!x){
        return 0;
    }
    var f = parseFloat(x);
    if (isNaN(f)) {
        return 0;
    }
    return Math.round(x*100)/100;
}


/**
 * 计算利润率
 * @param r1
 * @param r2
 * @returns {*}
 */
function rate(r1,r2) {
    if(!r1 || !r2 || r1==0 || r2==0){
        return 0;
    }

    return f2(r1*100/r2);
}


/**
 * 保留两位小数
 */
function bindNumberInput() {
    //所有的数字输入框
    var $inputs = $("input[type='number']");

    //键盘键弹起的时候
    $inputs.keyup(function () {
        var value = $(this).val();
        value = value.replace(/[^\d.]/g, ""); //清除“数字”和“.”以外的字符
        value = value.replace(/\.{2,}/g, "."); //只保留第一个. 清除多余的
        value = value.replace(".", "$#$").replace(/\./g, "").replace("$#$", ".");
        value = value.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3'); //只能输入两个小数
        if (value.indexOf(".") < 0 && value != "") {
            //以上已经过滤，此处控制的是如果没有小数点，首位不能为类似于 01、02的金额
            value = parseFloat(value);
        }
        $(this).val(value);
    });
    //失去焦点时再校验一遍
    $inputs.blur(function() {

        var value = $(this).val();

        var reg = new RegExp("^[0-9]+(.[0-9]{2})?$");
        if (reg.test(value)) {
            $(this).val(Number(value).toFixed(2));
        } else {
            $(this).val("");
        }
    });
}


function postAjax(url, data, callback) {
    $.ajax({
        url: url,
        data: JSON.stringify(data),
        type: "post",
        dataType: "json",
        contentType:"application/json",
        async: false,
        success: function (d) {
            console.log(d);
            if(callback) {
                callback(data, d);
            }
        }
    });
}
function getAjax(url, params, callback) {
    $.ajax({
        url: url,
        data: params,
        type: "get",
        dataType: "json",
        /*contentType:"application/json",*/
        async: false,
        success: function (d) {
            console.log(d);
            if(callback) {
                callback(params, d);
            }
        }
    });
}

/**
 * 获取给定名字的input框的值
 * @param name
 * @returns {*|jQuery}
 */
function inputVal(name) {
    return $("input[name='"+name+"']").val();
}

/**
 * 获取给定class名字的input框的值
 * @param className
 * @returns {*|jQuery}
 */
function classVal(className) {
    return $("."+className).val();
}

/**
 * 统计成本(含税)，有一项没填就置空
 */
function calCostInclude() {
    var costPurchaseDeviceTaxInclude = inputVal("costPurchaseDeviceTaxInclude");
    var costPurchaseBuildTaxInclude = inputVal("costPurchaseBuildTaxInclude");
    var costPurchaseServiceTaxInclude = inputVal("costPurchaseServiceTaxInclude");
    var costPurchaseOtherTaxInclude = inputVal("costPurchaseOtherTaxInclude");
    var costProjectManageTaxInclude = inputVal("costProjectManageTaxInclude");
    var costOtherOtherTaxInclude = inputVal("costOtherOtherTaxInclude");


    var $costTotalTaxInclude = $("input[name='costTotalTaxInclude']");

    $costTotalTaxInclude.val(f2(costPurchaseDeviceTaxInclude) +f2(costPurchaseBuildTaxInclude)
        +f2(costPurchaseServiceTaxInclude)+f2(costPurchaseOtherTaxInclude)
        +f2(costProjectManageTaxInclude)+f2(costOtherOtherTaxInclude));
}
/**
 * 统计成本(不含税)，有一项没填就置空
 */
function calCostExclude() {
    var costPurchaseDeviceTaxExclude = inputVal("costPurchaseDeviceTaxExclude");
    var costPurchaseBuildTaxExclude = inputVal("costPurchaseBuildTaxExclude");
    var costPurchaseServiceTaxExclude = inputVal("costPurchaseServiceTaxExclude");
    var costPurchaseOtherTaxExclude = inputVal("costPurchaseOtherTaxExclude");
    var costProjectManageTaxExclude = inputVal("costProjectManageTaxExclude");
    var costOtherOtherTaxExclude = inputVal("costOtherOtherTaxExclude");


    var $costTotalTaxExclude = $("input[name='costTotalTaxExclude']");

    $costTotalTaxExclude.val(f2(costPurchaseDeviceTaxExclude)+f2(costPurchaseBuildTaxExclude)
        +f2(costPurchaseServiceTaxExclude)+f2(costPurchaseOtherTaxExclude)
        +f2(costProjectManageTaxExclude)+f2(costOtherOtherTaxExclude));
}