fourcal/src/main/resources/static/assets/js/project_common.js

/**
 * parse float保留两位小数，四舍五入
 * @param x
 * @returns {*}
 */
function f2(x) {
    if(!x){
        return NaN;
    }
    var f = parseFloat(x);
    if (isNaN(f)) {
        return x;
    }
    return Math.round(x*100)/100;
}


/**
 * 一维数组变二维数组
 * @param list
 * @param elementsPerSubArray
 * @returns {Array}
 */
function arrayToMatrix(list, elementsPerSubArray) {
    var matrix = [], i, k;

    for (i = 0, k = -1; i < list.length; i++) {
        if (i % elementsPerSubArray === 0) {
            k++;
            matrix[k] = [];
        }

        matrix[k].push(list[i]);
    }

    return matrix;
}

/**
 * 根据映射关系将数组变为对象
 */
function arr2Object(arr, mapArr) {
    var obj = {};
    for (var i = 0; i < mapArr.length; i++) {
        if(!arr[i]){
            //如果有空的就返回空
            return null;
        }
        obj[mapArr[i]]=arr[i];
    }
    return obj;
}


/**
 * 收集收入明细的数据，因为动态添加的行modal无法识别，所以自己来收集
 * @returns {Array}
 */
function collectData(className) {
    var a= [];
    $("." + className).each(function (t) {
        a.push($(this).val());
    });
    return a;
}

/**
 * 绑定每一行的删除事件，删除当前的一行tr
 */
function bindDeleteBtn() {
    $(".am-modal-line-delete").click(function () {
        //删除自己对应的tr
        $(this).parent().parent().remove();
    });
}

/**
 * 将页面收集到的数据转换为ajax请求的数据【一维数组转换为对象数组】
 * @param data
 * @param detailPropertyArr
 * @returns {Array}
 */
function convertDetail(data,detailPropertyArr) {
    var arr = arrayToMatrix(data,detailPropertyArr.length);

    var details = [];
    for (var i=0;i<arr.length;i++){
        var obj = arr2Object(arr[i], detailPropertyArr);
        if(obj){
            details.push(obj);
        }

    }
    return details;
}

function prepareAjaxData(data,detailPropertyArr,projectId){
    var details = convertDetail(data, detailPropertyArr);
    return {
        "details":details,
        "projectId":projectId
    };
}

function saveDetail(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);
            callback(data.details);
        }
    });
}


/**
 * 绑定每个可改变的输入框，修改后改变对应输入框的值
 */
function bindChangeableInput() {
    //数量改变
    $(".input-changeable-amount").change(function () {
        var amount = parseInt($(this).val());
        //找到对应的单价和税率
        var price = f2($(this).parent().parent().find(".input-changeable-price").val());
        var taxRate = f2($(this).parent().parent().find(".input-changeable-tax-rate").val());
        console.log(amount,price,taxRate);

        $(this).parent().parent().find(".input-changeable-total-tax-include").val(f2(amount*price));
        $(this).parent().parent().find(".input-changeable-total-tax-exclude").val(f2(amount*price/(1+taxRate/100)));
    });
    //单价改变
    $(".input-changeable-price").change(function () {
        var price = f2($(this).val());
        //找到对应的数量和税率
        var amount = parseInt($(this).parent().parent().find(".input-changeable-amount").val());
        var taxRate = f2($(this).parent().parent().find(".input-changeable-tax-rate").val());
        console.log(amount,price,taxRate);

        $(this).parent().parent().find(".input-changeable-total-tax-include").val(f2(amount*price));
        $(this).parent().parent().find(".input-changeable-total-tax-exclude").val(f2(amount*price/(1+taxRate/100)));
    });
    //税率改变
    $(".input-changeable-tax-rate").change(function () {
        var taxRate = f2($(this).val());
        //找到对应的数量和单价
        var amount = parseInt($(this).parent().parent().find(".input-changeable-amount").val());
        var price = f2($(this).parent().parent().find(".input-changeable-price").val());
        console.log(amount,price,taxRate);

        $(this).parent().parent().find(".input-changeable-total-tax-exclude").val(f2(amount*price/(1+taxRate/100)));
    });
}