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42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
/** 判断js或者css是否引入 */
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function isInclude (name) {
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var js = /js$/i.test(name);
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var es = document.getElementsByTagName(js ? 'script' : 'link');
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for (var i = 0; i < es.length; i++)
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if (es[i][js ? 'src' : 'href'].indexOf(name) != -1) return true;
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return false;
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}
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/** 引入js文件 */
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function addScript(url) {
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var script = document.createElement('script')
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script.setAttribute('type','text/javascript')
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script.setAttribute('src', url)
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document.getElementsByTagName('head')[0].appendChild(script)
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}
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/** 引入css文件 */
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function addStyle(url) {
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var script = document.createElement('link')
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script.setAttribute('rel','stylesheet')
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script.setAttribute('href', url)
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document.getElementsByTagName('head')[0].appendChild(script)
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}
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/** 判断是pc环境 */
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const isPC = !(/Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent))
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if (isPC) {
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if (!isInclude('umgrid.tinyim.js')) {
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addScript('https://sdk.umnet.cn/umviewsdk/umgrid.tinyim.js')
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}
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if (!isInclude('umgrid.tinyim.css')) {
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addStyle('https://sdk.umnet.cn/umviewsdk/static/css/umgrid.tinyim.css')
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}
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} else {
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if (!isInclude('mobile.tinyim.js')) {
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addScript('https://sdk.umnet.cn/umviewsdk/mobile.tinyim.js')
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}
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if (!isInclude('mumgrid.tinyim.css')) {
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addStyle('https://sdk.umnet.cn/umviewsdk/static/css/mumgrid.tinyim.css')
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}
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} |