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META-INF.resources.js.common.js Maven / Gradle / Ivy
window.leoUtil = {
/**
* 获取 查询参数
* @param name 参数名称
* @returns {*} result
*/
getQueryString: function getQueryString(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if (r != null) {
return decodeURIComponent(r[2]);
}
return null;
},
/**
* 从路径中获取 资源参数
* @returns {*} result
*/
getQueryStringFromPath: function getQueryStringFromPath() {
var pathName = window.location.pathname;
var index = window.location.pathname.lastIndexOf("/") + 1;
var value = pathName.substr(index);
if (value) {
return value;
}
return null;
},
/**
* 时间差异算法
* @param dateStr Data: 2016/1/20 19:59:30
* @returns {string|*|string}
*/
getDateDiff: function getDateDiff(dateStr) {
var dateTimeStamp = Date.parse(dateStr.replace(/-/gi, "/"));
var minute = 1000 * 60;
var hour = minute * 60;
var day = hour * 24;
var halfamonth = day * 15;
var month = day * 30;
var now = new Date().getTime();
var diffValue = now - dateTimeStamp;
if (diffValue < 0) {
return;
}
var monthC = diffValue / month;
var weekC = diffValue / (7 * day);
var dayC = diffValue / day;
var hourC = diffValue / hour;
var minC = diffValue / minute;
if (monthC >= 1) {
result = "" + parseInt(monthC) + "月前";
} else if (weekC >= 1) {
result = "" + parseInt(weekC) + "周前";
} else if (dayC >= 1) {
result = "" + parseInt(dayC) + "天前";
} else if (hourC >= 1) {
result = "" + parseInt(hourC) + "小时前";
} else if (minC >= 1) {
result = "" + parseInt(minC) + "分钟前";
} else
result = "刚刚";
return result;
},
/**
* 通过正则表达式提取数字/非数字
* @param str 字符串
* @param NaN ture非数字，else 数字
* @returns {XML|void|string|*}
*/
extractDigits: function extractDigits(str, NaN) {
if (NaN) {
return str.replace(/[0-9.-]/ig, "");
}
return parseInt(str.replace(/[^0-9.-]/ig, ""));
},
/**
* * 判断元素是否进入可视区域
* @param objLiLast 最后一个元素
* @returns {boolean}
*/
see: function see(objLiLast) {
//浏览器可视区域的高度
var see = document.documentElement.clientHeight;
//滚动条滑动的距离
var winScroll = $(this).scrollTop();
//距离浏览器顶部的
var lastLisee = $(objLiLast).offset().top;
return lastLisee < (see + winScroll);
},
/**
* 金额格式化
* @param number
* @param decimals
* @param dec_point
* @param thousands_sep
* @returns {string|*}
*/
number_format: function number_format(number, decimals, dec_point, thousands_sep) {
/*
* 参数说明：
* number：要格式化的数字
* decimals：保留几位小数
* dec_point：小数点符号
* thousands_sep：千分位符号
* */
number = (number + '').replace(/[^0-9+-Ee.]/g, '');
var n = !isFinite(+number) ? 0 : +number,
prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
s = '',
toFixedFix = function (n, prec) {
var k = Math.pow(10, prec);
return '' + Math.ceil(n * k) / k;
};
s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
var re = /(-?\d+)(\d{3})/;
while (re.test(s[0])) {
s[0] = s[0].replace(re, "$1" + sep + "$2");
}
if ((s[1] || '').length < prec) {
s[1] = s[1] || '';
s[1] += new Array(prec - s[1].length + 1).join('0');
}
return s.join(dec);
},
/**
* 验证提交的JSON数据
* @param postData JSON对象
*/
validatePostData: function validatePostData(postData) {
for (var i in postData) {
var content = postData[i];
if (!content) {
error('请填写内容！');
return false;
}
var reg = new RegExp("<.*?script[^>]*?>.*?(<\/.*?script.*?>)*", "ig");
if (reg.test(content)) {
error('请不要提交非法内容！');
return false;
}
}
return true;
},
/**
* 将json转url参数
* @param json
* @returns {string}
*/
convertJsonToParams: function convertJsonToParams(json) {
var params = Object.keys(json).map(function (key) {
return encodeURIComponent(key) + "=" + encodeURIComponent(json[key]);
}).join("&");
return params;
},
/*
* 三个参数
* file：一个是文件(类型是图片格式)，
* obj：一个是文件压缩的后宽度，宽度越小，字节越小
* callback：回调
*/
photoCompress: function photoCompress(file, obj, callback) {
var ready = new FileReader();
/*开始读取指定的Blob对象或File对象中的内容. 当读取操作完成时,readyState属性的值会成为DONE,如果设置了onloadend事件处理程序,则调用之.同时,result属性中将包含一个data: URL格式的字符串以表示所读取文件的内容.*/
ready.readAsDataURL(file);
ready.onload = function () {
var re = this.result;
canvasDataURL(re, obj, callback)
}
},
canvasDataURL: function canvasDataURL(path, obj, callback) {
var img = new Image();
img.src = path;
img.onload = function () {
var that = this;
// 默认按比例压缩
var w = that.width,
h = that.height,
scale = w / h;
w = obj.width || w;
h = obj.height || (w / scale);
var quality = 0.7; // 默认图片质量为0.7
//生成canvas
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
// 创建属性节点
var anw = document.createAttribute("width");
anw.nodeValue = w;
var anh = document.createAttribute("height");
anh.nodeValue = h;
canvas.setAttributeNode(anw);
canvas.setAttributeNode(anh);
ctx.drawImage(that, 0, 0, w, h);
// 图像质量
if (obj.quality && obj.quality <= 1 && obj.quality > 0) {
quality = obj.quality;
}
// quality值越小，所绘制出的图像越模糊
var base64 = canvas.toDataURL('image/jpeg', quality);
// 回调函数返回base64的值
callback(base64);
}
},
/**
* 将base64转换为文件
* @param dataurl
* @param filename
* @returns {File}
*/
dataURLtoFile: function dataURLtoFile(dataurl, filename) {
var arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
return new File([u8arr], filename, {type: mime});
},
/**
* 判断是否是微信浏览器
* @returns {boolean}
*/
isWeiXinBrowser: function isWeiXinBrowser() {
var ua = navigator.userAgent.toLowerCase();
return ua.match(/MicroMessenger/i) == "micromessenger";
},
/**
* 判断是否是浏览器
* @returns {boolean}
*/
isBrowser: function isBrowser() {
var ua = navigator.userAgent;
return ua.indexOf("Safari") !== -1;
},
/**
* 复制到剪切板
* @param str
*/
copyToClipboard: function copyToClipboard(str) {
var save = function (e) {
e.clipboardData.setData('text/plain', str);
e.preventDefault();//阻止默认行为
};
document.addEventListener('copy', save);
document.execCommand("copy");//使文档处于可编辑状态，否则无效
},
/**
* 将以base64的图片url数据转换为Blob
* @param urlData
* 用url方式表示的base64图片数据
*/
convertBase64UrlToBlob: function convertBase64UrlToBlob(urlData) {
var arr = urlData.split(','), mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
return new Blob([u8arr], {type: mime});
},
/**
* 数字前补充0
* @param num 目标数字
* @param length 位数
* @returns {string}
* @constructor
*/
repairZero: function repairZero(num, length) {
if (num.toString().length >= length) {
return num;
}
return (Array(length).join('0') + num).slice(-length);
},
/**
* 判断H5+环境
* @returns {boolean}
*/
isH5Plus: function isH5Plus() {
return navigator.userAgent.indexOf("Html5Plus") > -1;
}
}
/**
* 时间格式转换 new Date().Format("yyyy-MM-dd hh:mm:ss")
* @param fmt yyyy-MM-dd hh:mm:ss
* @returns {*}
* @constructor
*/
Date.prototype.Format = function (fmt) {
var o = {
"M+": this.getMonth() + 1, //月份
"d+": this.getDate(), //日
"h+": this.getHours(), //小时
"m+": this.getMinutes(), //分
"s+": this.getSeconds() //秒
};
if (/(y+)/.test(fmt)) { //根据y的长度来截取年
fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
}
for (var k in o) {
if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
}
return fmt;
}
if (typeof jQuery === 'undefined') {
console.error("未加载JQuery")
} else {
console.log("已加载JQuery")
//—————————————————————————JQuery Ajax ———————————————————————————————————————————————————————————————————————————
/**
* ajax get
* @param ajaxurl 提交路径
* @param successcallback 成功回调
* @param errorcallback 失败回调
*/
$.ajaxGet = function ajaxGet( ajaxurl, successcallback, errorcallback) {
$.ajax({
cache: true,
type: "get",
dataType: "json",
url: ajaxurl,
data: {},
async: true,
success: function (data) {
if ($.isFunction(successcallback)) {
successcallback.call(this, data);
}
},
error: function (data) {
if ($.isFunction(errorcallback)) {
errorcallback.call(this, data);
}
}
});
}
/**
* ajax post提交
* @param ajaxdata 提交数据
* @param ajaxurl 提交路径
* @param successcallback 成功回调
* @param errorcallback 失败回调
*/
$.ajaxPost = function ajaxPost(ajaxdata, ajaxurl, successcallback, errorcallback) {
$.ajax({
cache: true,
type: "post",
dataType: "json",
url: ajaxurl,
data: ajaxdata,
async: true,
success: function (data) {
if ($.isFunction(successcallback)) {
successcallback.call(this, data);
}
},
error: function (data) {
if ($.isFunction(errorcallback)) {
errorcallback.call(this, data);
}
}
});
}
/**
* processData设置为false。因为data值是FormData对象，不需要对数据做处理。
*
