{"id":42,"date":"2021-01-17T15:41:29","date_gmt":"2021-01-17T07:41:29","guid":{"rendered":"http:\/\/gjweb.top\/?p=42"},"modified":"2021-01-17T15:42:47","modified_gmt":"2021-01-17T07:42:47","slug":"web%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"https:\/\/gjweb.top\/?p=42","title":{"rendered":"Web\u5b58\u50a8"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5b9a\u4e49<\/h2>\n\n\n\n<p>\u5728\u6d4f\u89c8\u5668\u4e2d\u5b58\u50a8\u5f53\u524d\u7528\u6237\u4e13\u7528\u7684\u6570\u636e: \u8bbf\u95ee\u5386\u53f2\uff1b \u5185\u5bb9\u5b9a\u5236 \uff1b \u6837\u5f0f\u5b9a\u5236<\/p>\n\n\n\n<p>\u5728\u5ba2\u6237\u7aef\u5b58\u50a8\u6570\u636e\u53ef\u4ee5\u4f7f\u7528\u7684\u6280\u672f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>cookie<ul><li>\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u597d,\u4e0d\u80fd\u8d85\u8fc74kb,\u64cd\u4f5c\u590d\u6742<\/li><\/ul><\/li><li>flash<ul><li>\u4f9d\u8d56falsh\u64ad\u653e\u5668<\/li><\/ul><\/li><li>H5 webStorage:<ul><li>\u4e0d\u80fd\u8d85\u8fc78MB,\u64cd\u4f5c\u7b80\u5355<\/li><\/ul><\/li><li>IndexDB<ul><li>\u53ef\u5b58\u50a8\u5927\u91cf\u6570\u636e<\/li><li>\u4f46\u4e0d\u662f\u6807\u51c6\u7684\u6280\u672f<\/li><\/ul><\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">session<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6d4f\u89c8\u5668\u4ece\u6253\u5f00\u67d0\u4e2a\u7f51\u9875\u7684\u4e00\u4e2a\u9875\u9762\u5f00\u59cb,\u4e2d\u95f4\u53ef\u80fd\u6253\u5f00\u5f88\u591a\u6b4c\u9875\u9762,\u6307\u5bfc\u9875\u9762\u5173\u95ed\u6d4f\u89c8\u5668,\u6574\u4e2a\u8fc7\u7a0b\u4e3a&#8221;\u6d4f\u89c8\u5668\u4e0eWEB\u670d\u52a1\u5668\u7684\u4e00\u6b21\u4f1a\u8bdd&#8221;<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">webSorage<\/h2>\n\n\n\n<p>WebSorage\u6280\u672f\u4e2d,\u6d4f\u89c8\u5668\u4e3a\u7528\u6237\u63d0\u4f9b\u4e24\u4e2a\u5bf9\u8c61<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>window.sessionStorage<ul><li>\u7c7b\u6570\u7ec4\u5bf9\u8c61: \u4f1a\u8bdd\u7ea7\u6570\u636e\u5b58\u50a8,\u5728\u6d4f\u89c8\u5668\u8fdb\u7a0b\u5206\u5f97\u5185\u5b58\u4e2d\u50a8\u5b58\u4e00\u6b21web\u4f1a\u8bdd\u6570\u636e,\u53ef\u4f9b\u6b64\u6b21\u4f1a\u8bdd\u7684\u9875\u9762\u5171\u540c\u4f7f\u7528,\u6d4f\u89c8\u5668\u4e00\u65e6\u5173\u95ed\u5c31\u6d88\u5931<\/li><li>\u4f5c\u7528<ul><li>\u5728\u540c\u4e2a\u4f1a\u8bdd\u4e2d\u6240\u6709\u9875\u9762\u4e4b\u95f4\u5171\u4eab\u6570\u636e<\/li><\/ul><\/li><\/ul><\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sessionStorage&#91;key]=val; \/\/\u4fdd\u5b58\u4e00\u4e2a\u6570\u636e\r\nsessionStorage.setItem(key,val); \/\/\u4fdd\u5b58\u4e00\u4e2a\u6570\u636e\r\nvar val = sessionStorage&#91;'key']; \/\/\u8bfb\u53d6\u4e00\u4e2a\u6570\u636e\r\nvar val= sessionStorage.getItem('key'); \/\/\u8bfb\u53d6\u4e00\u4e2a\u6570\u636e\r\nsessionStorage.removeItem('key'); \/\/\u5220\u9664\u4e00\u4e2a\u6570\u636e\r\nsessionStorage.length; \/\/\u6570\u636e\u4e2a\u6570\r\nsessionStorage.key(i); \/\/\u83b7\u53d6\u7b2ci\u4e2akey\r\nsessionStorage.clear() \/\/\u6e05\u7a7a\u6240\u6709session\u7f13\u5b58<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">window.localStorage<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u672c\u5730\u5b58\u50a8\u5bf9\u8c61(\u8de8\u4f1a\u8bdd\u7ea7\u5b58\u50a8)<\/li><li>\u5728\u6d4f\u89c8\u5668\u80fd\u7ba1\u7406(\u78c1\u76d8)\u4e2d\u5b58\u50a8\u7528\u6237\u6570\u636e,\u53ef\u4ee5\u4f9b\u6b64\u6b21\u4f1a\u8bdd\u548c\u540e\u7eed\u4f1a\u8bdd\u7684\u9875\u9762\u5171\u540c\u4f7f\u7528;\u53ca\u65f6\u6d4f\u89c8\u5668\u5173\u95ed\u4e86\u4e5f\u4e0d\u4f1a\u6d88\u5931&#8211;\u6c38\u4e45\u5b58\u5728<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>ocalStorage&#91;key]=val; 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