今天发现一个不错的js文件，是用来做提示信息用的，不依赖任何其他js库，操作也是非常简单。用这个msg.js可以兼容已有的消息提示而不会因为需要引入其他js而冲突，下面是消息类型效果：
代码比较简单，一看就会用，而且可以自定义修改里面的内容和扩展其他功能。
msg.js代码：
/**
* 信息提醒，不依赖任何乱七八糟框架及其他文件，导入 msg.js ，msg.info('哈哈哈') 一句代码使用！
* 作者：管雷鸣
*/
var msg = {
/*
* 当前msg的版本
*/
version:1.2,
/*
* 错误的图
*/
errorIcon:'<svg style="width: 3rem;padding: 1.5rem; padding-bottom: 1.1rem; box-sizing: content-box;" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="6977"><path d="M696.832 326.656c-12.8-12.8-33.28-12.8-46.08 0L512 465.92 373.248 327.168c-12.8-12.8-33.28-12.8-46.08 0s-12.8 33.28 0 46.08L466.432 512l-139.264 139.264c-12.8 12.8-12.8 33.28 0 46.08s33.28 12.8 46.08 0L512 558.08l138.752 139.264c12.288 12.8 32.768 12.8 45.568 0.512l0.512-0.512c12.8-12.8 12.8-33.28 0-45.568L557.568 512l139.264-139.264c12.8-12.8 12.8-33.28 0-46.08 0 0.512 0 0 0 0zM512 51.2c-254.464 0-460.8 206.336-460.8 460.8s206.336 460.8 460.8 460.8 460.8-206.336 460.8-460.8-206.336-460.8-460.8-460.8z m280.064 740.864c-74.24 74.24-175.104 116.224-280.064 115.712-104.96 0-205.824-41.472-280.064-115.712S115.712 616.96 115.712 512s41.472-205.824 116.224-280.064C306.176 157.696 407.04 115.712 512 116.224c104.96 0 205.824 41.472 280.064 116.224 74.24 74.24 116.224 175.104 115.712 280.064 0.512 104.448-41.472 205.312-115.712 279.552z" fill="#ffffff" p-id="6978"></path></svg>',
/*
* 当前弹出窗口显示的id。每次弹出窗口都会生成一个随机id
*/
currentWindowsId:0,
/**
* 成功的提醒
* @param text 提示文字
* @param func 关闭提示后，要执行的方法
*/
success:function(text,func){
this.show(text, '<svg style="width: 3rem;padding: 1.5rem; padding-bottom: 1.1rem; box-sizing: content-box;" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2351"><path d="M384 887.456L25.6 529.056 145.056 409.6 384 648.544 878.944 153.6 998.4 273.056z" p-id="2352" fill="#ffffff"></path></svg>');
this.delayClose(1500, func);
},
/**
* 失败、错误的提醒
* @param text 提示文字
* @param func 关闭提示后，要执行的方法
*/
failure:function(text, func){
this.show(text, this.errorIcon);
this.delayClose(2500, func);
},
/**
* 提示信息
* @param text 提示文字
* @param func 关闭提示后，要执行的方法
*/
info:function(text, func){
this.show(text, '<svg style="width: 3rem;padding: 1.5rem; padding-bottom: 1.1rem; box-sizing: content-box;" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7996"><path d="M509.979 959.316c-247.308 0-447.794-200.486-447.794-447.794S262.671 63.728 509.979 63.728s447.794 200.486 447.794 447.794-200.485 447.794-447.794 447.794z m0-814.171c-202.346 0-366.377 164.031-366.377 366.377s164.031 366.377 366.377 366.377c202.342 0 366.377-164.031 366.377-366.377S712.321 145.145 509.979 145.145z m-40.708 610.628c-40.709 0-40.709-40.708-40.709-40.708l40.709-203.543s0-40.709-40.709-40.709c0 0-40.709 0-40.709-40.709h122.126s40.709 0 40.709 40.709-40.709 162.834-40.709 203.543 40.709 40.709 40.709 40.709h40.709c-0.001 0-0.001 40.708-122.126 40.708z m81.417-407.085c-22.483 0-40.709-18.225-40.709-40.709s18.225-40.709 40.709-40.709 40.709 18.225 40.709 40.709-18.226 40.709-40.709 40.709z" p-id="7997" fill="#ffffff"></path></svg>');
this.delayClose(2500, func);
},
/**
* 弹出询问选择框：确定、取消
*/
confirm:function(text){
return confirm(text);
},
/**
* 加载中、等待中的动画效果
* @param text 提示文字
*/
loading:function(text){
this.show(text, '<img src="data:image/svg+xml;base64,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" style="width: 3rem;padding: 1.5rem; padding-bottom: 1.1rem; box-sizing: content-box;" />');
},
/**
* 关闭各种提示，包括加载中、成功、失败、提示信息等，都可以用此强制关闭
*/
close:function(){
this.currentWindowsId = 0; //当前没有任何窗口
var loadingDiv = document.getElementById('wangmarket_loading');
if(loadingDiv != null){
var loadingDivParent = loadingDiv.parentNode;
if(loadingDivParent != null){
loadingDivParent.removeChild(loadingDiv);
}
}
//关闭pupups相关
var popupsDiv = document.getElementById('wangmarket_popups')
if(popupsDiv != null){
var popupsDivParent = popupsDiv.parentNode;
if(popupsDivParent != null){
popupsDivParent.removeChild(popupsDiv);
}
}
},
/**
* 延迟几秒后关闭弹出提示
* @param time 延迟多长时间，单位是毫秒
* @param func 关闭提示后，要执行的方法
*/
delayClose(time, func){
var cid = parseInt(Math.random()*100000);
this.currentWindowsId = cid;
setTimeout(function(){
if(msg.currentWindowsId == cid){
/* 能对应起来，才会关闭。避免关闭别的刚显示的窗口 */
msg.close();
}
if(func != null){
func();
}
},time);
},
/**
* 显示提示窗口，私有方法
* text 提示文字
* img 显示的图片或者svg
*/
show(text, img){
/** 是否是横向显示 **/
var wangmarket_loading_hengxiang = false;
if(text != null && text.length > 10){
wangmarket_loading_hengxiang = true;
}
/** 显示前，如果还有其他正在显示的，将其都关掉 **/
this.close();
if(document.getElementsByTagName("body") != null && document.getElementsByTagName("body").length > 0){
var div=document.createElement("div");
div.id = 'wangmarket_loading';
div.style = 'position: fixed;z-index: 2147483647;margin: 0 auto;text-align: center;width: 100%;';
div.innerHTML = ''
+'<div id="loading" style="position: fixed;top: 30%;text-align: center;font-size: 1rem;color: #dedede;margin: 0px auto;left: 50%;margin-left: -'+(wangmarket_loading_hengxiang? '9':'3.5')+'rem;">'
+'<div style="width: 7rem;background-color: #2e2d3c;border-radius: 0.3rem; filter: alpha(Opacity=80); -moz-opacity: 0.8; opacity: 0.8; min-height: 4.8rem;'+(wangmarket_loading_hengxiang? 'width: 18rem;':'')+'">'
+'<div'+(wangmarket_loading_hengxiang? ' style="float:left;height: 20rem; margin-top: -0.6rem; position: fixed;"':'')+'>'+img+'</div>'
+'<div style="width: 100%;padding-bottom: 1.4rem; font-size: 1.1rem; padding-left: 0.3rem;padding-right: 0.3rem; box-sizing: border-box;line-height: 1.2rem;color: white;'+(wangmarket_loading_hengxiang? 'padding: 1rem; text-align: left; padding-right: 0.3rem; line-height: 1.5rem;margin-left: 4.8rem; padding-right: 5.5rem; padding-top: 0.7rem;':'')+'">'+text+'</div>'
+'</div>';
+'</div>';
document.getElementsByTagName("body")[0].appendChild(div);
}else{
alert('提示，body中没有子元素，无法显示 msg.js 的提示');
}
},
/**
* 弹出层，弹出窗口
* @param attribute 弹出层的其他属性。传入如：
* <pre>
* {
* text:'弹窗的内容', //弹出窗显示的内容，支持html
* top:'30%', //弹出层距离顶部的距离，不传默认是30%。 可以传入如 30%、 5rem、 10px 等
* left:'5%', //弹出层距离浏览器左侧的距离，不传默认是5%
* height:'100px', //弹出层显示的高度。不传默认是 auto。 传入如 100px 、 10rem 等。不能使用%百分比。
* width:'90%', //弹出层显示的宽度。不传默认是 90%。传入如 100px 、 10rem 、 50% 等。
* bottom:'1rem', //弹出层距离底部的距离。不传默认是 auto 。 height 跟 bottom 如果这两个同时设置了，那么height生效，bottom是不生效的
* close:false //是否显示右上角的关闭按钮，不传默认是true，显示关闭按钮
* background:'#2e2d3c' //背景颜色。十六进制颜色编码。不传默认是 '#2e2d3c'
* opacity:92 //弹出层的透明度，默认是92, 取值0~100，0是不透明，100是全部透明
* padding:'10px' //弹出层四周留的空隙，默认是1rem。可传入如 10px 、 1rem 等
* }
* </pre>
* @param showClose 是否显示关闭按钮，默认显示。可传入 false 不显示关闭按钮
* @param top 弹出层显示的区块，距离顶部的距离
*/
popups:function(attribute){
var setLeftPosition = false; //是否设置了距离左侧距离
var setTopPosition = false; //是否设置了距离顶部距离
if(typeof(attribute) == 'undefined'){
attribute = {};
}else if(typeof(attribute) == 'string'){
//直接传入了 string 格式的提示文本
attribute = {text:attribute};
}
if(attribute == null){
attribute = {}
}
if(attribute.left != null){
setLeftPosition = true;
}
if(attribute.top != null || attribute.bottom != null){
setTopPosition = true;
}
//如果text为空，那么提示一下
if(attribute.text == null){
attribute.text = '您未设置text的值，所以这里出现提醒文字。您可以这样用: <pre>msg.popups(\'我是提示文字\');</pre>';
}
//判断一下 height 跟 bottom 是否同时设置了，因为如果这两个同时设置了，bottom是不生效的
if(attribute.height != null && attribute.bottom != null){
console.log('msg.js -- function popups() : 友情提示:您同时设置了height、bottom两个属性，此时height属性生效，bottom属性将会不起作用');
}
//赋予默认属性
if(attribute.close == null){
attribute.close = true;
}
if(attribute.top == null){
attribute.top = 'auto';
}
if(attribute.bottom == null || attribute.bottom.length < 1){
attribute.bottom = 'auto';
}
if(attribute.background == null){
attribute.background = '#2e2d3c';
}
if(attribute.opacity == null){
attribute.opacity = 92;
}
if(attribute.height == null){
attribute.height = 'auto';
}
if(attribute.left == null){
attribute.left = '5%';
}
if(attribute.width == null){
attribute.width = '90%';
}
if(attribute.padding == null){
attribute.padding = '1rem';
}
var div=document.createElement("div");
div.id = 'wangmarket_popups';
div.style = 'position: fixed; z-index: 2147483647; margin: 0px auto; text-align: center; width: 100%; ';
div.innerHTML = '<div style="position: fixed; top:'+attribute.top+'; bottom:'+attribute.bottom+'; text-align: center;font-size: 1rem;color: #dedede;margin: 0px auto;width: '+attribute.width+';left: '+attribute.left+'; height: '+attribute.height+';">'+
'<div style="padding:0.5rem">'+
'<div style="width: 100%;background-color: '+attribute.background+';border-radius: 0.3rem;filter: alpha(Opacity='+attribute.opacity+');-moz-opacity: '+(attribute.opacity/100)+';opacity: '+(attribute.opacity/100)+';min-height: 4.8rem; height: 100%;">'+
'<div style=" width: 100%; font-size: 1.1rem; box-sizing: border-box; line-height: 1.6rem; color: white; text-align: left; padding: '+attribute.padding+'; overflow-y: auto; height: '+attribute.height+';">'+
attribute.text+
'</div>'+
(attribute.close? '<div style="top: 0px;position: absolute;right: 0px;background-color: aliceblue;border-radius: 50%;height: 2rem;width: 2rem;" onclick="msg.close();"><svg style="width: 2rem; height:2rem; cursor: pointer;" t="1601801323865" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4482" width="48" height="48"><path d="M512.001 15.678C237.414 15.678 14.82 238.273 14.82 512.86S237.414 1010.04 512 1010.04s497.18-222.593 497.18-497.18S786.589 15.678 512.002 15.678z m213.211 645.937c17.798 17.803 17.798 46.657 0 64.456-17.798 17.797-46.658 17.797-64.456 0L512.001 577.315 363.241 726.07c-17.799 17.797-46.652 17.797-64.45 0-17.804-17.799-17.804-46.653 0-64.456L447.545 512.86 298.79 364.104c-17.803-17.798-17.803-46.657 0-64.455 17.799-17.798 46.652-17.798 64.45 0l148.761 148.755 148.755-148.755c17.798-17.798 46.658-17.798 64.456 0 17.798 17.798 17.798 46.657 0 64.455L576.456 512.86l148.756 148.755z m0 0" fill="'+attribute.background+'" p-id="4483"></path></svg></div>':'')+
'</div>'+
'</div>'+
'</div>';
//<div style="width: 100%;padding-bottom: 1rem;font-size: 1.1rem;padding-left: 0.3rem;padding-right: 2.0rem;box-sizing: border-box;line-height: 1.2rem;color: white;text-align: right;"> <button style=" border: aliceblue; padding: 0.4rem; padding-left: 1rem; padding-right: 1rem; font-size: 0.8rem; background-color: darkcyan; " onclick="close1();">确定</button> </div>
if(document.getElementsByTagName("body") != null && document.getElementsByTagName("body").length > 0){
document.getElementsByTagName("body")[0].appendChild(div);
/** 计算位置，剧中显示 **/
//弹窗位置控制元素
var msgPositionDom = document.getElementById('wangmarket_popups').firstChild;
if(!setLeftPosition){
//如果没有设置left，那么设置宽度居中
try {
var htmlWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; //html可见区域宽度
var msgWidth = msgPositionDom.clientWidth||msgPositionDom.offsetWidth; //当前弹窗的宽度
msgPositionDom.style.left = ((htmlWidth - msgWidth)/2) + 'px';
} catch (e) {
console.log(e);
}
}
if(!setTopPosition){
//如果没有设置top、bottom，那么设置高度居中
try {
var htmlHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; //html可见区域高度
var msgHeight = msgPositionDom.clientHeight||msgPositionDom.offsetHeight; //当前弹窗的高度
if(msgHeight > htmlHeight){
//如果弹窗高度比body还高，那么直接就显示到顶部
msgPositionDom.style.top = '20px';
}else{
msgPositionDom.style.top = ((htmlHeight - msgHeight)/2) + 'px';
}
} catch (e) {
console.log(e);
}
}
}else{
alert('提示，body中没有子元素，无法显示 msg.js 的提示');
}
}
}