{"id":59581,"date":"2024-10-12T23:10:18","date_gmt":"2024-10-12T15:10:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59581\/"},"modified":"2024-10-12T23:10:18","modified_gmt":"2024-10-12T15:10:18","slug":"chrome%e7%80%8f%e8%a6%bd%e5%99%a8%e4%b8%ad%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-chrome-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59581\/","title":{"rendered":"Chrome\u700f\u89bd\u5668\u4e2d\u5982\u4f55\u5275\u5efa\u6578\u64da\u5eab (chrome \u5275\u5efa\u6578\u64da\u5eab)"},"content":{"rendered":"

Chrome\u700f\u89bd\u5668\u4e2d\u5982\u4f55\u5275\u5efa\u6578\u64da\u5eab<\/h1>\n

\u5728\u73fe\u4ee3\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u96a8\u8457\u700f\u89bd\u5668\u6280\u8853\u7684\u9032\u6b65\uff0cChrome\u700f\u89bd\u5668\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5275\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Chrome\u700f\u89bd\u5668\u4e2d\u4f7f\u7528Web Storage\u548cIndexedDB\u4f86\u5275\u5efa\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n

Web Storage<\/h2>\n

Web Storage\u662f\u4e00\u7a2e\u7c21\u55ae\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u4e3b\u8981\u5206\u70ba\u5169\u7a2e\uff1alocalStorage\u548csessionStorage\u3002\u9019\u5169\u8005\u90fd\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\uff0c\u4f46\u5b83\u5011\u7684\u5b58\u5132\u7bc4\u570d\u548c\u6301\u4e45\u6027\u6709\u6240\u4e0d\u540c\u3002<\/p>\n

localStorage<\/h3>\n

localStorage\u7528\u65bc\u9577\u671f\u5b58\u5132\u6578\u64da\uff0c\u6578\u64da\u4e0d\u6703\u5728\u700f\u89bd\u5668\u95dc\u9589\u5f8c\u6d88\u5931\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528localStorage\u5275\u5efa\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n

\n\/\/ \u5132\u5b58\u6578\u64da\nlocalStorage.setItem('username', 'JohnDoe');\n\n\/\/ \u7372\u53d6\u6578\u64da\nvar username = localStorage.getItem('username');\nconsole.log(username); \/\/ \u8f38\u51fa: JohnDoe\n\n\/\/ \u522a\u9664\u6578\u64da\nlocalStorage.removeItem('username');\n\n\/\/ \u6e05\u7a7a\u6240\u6709\u6578\u64da\nlocalStorage.clear();\n<\/code><\/pre>\n
sessionStorage<\/h3>\n
sessionStorage\u5247\u662f\u7528\u65bc\u81e8\u6642\u5b58\u5132\u6578\u64da\uff0c\u6578\u64da\u50c5\u5728\u7576\u524d\u6703\u8a71\u4e2d\u6709\u6548\u3002\u7576\u7528\u6236\u95dc\u9589\u700f\u89bd\u5668\u7a97\u53e3\u6642\uff0c\u6578\u64da\u5c07\u88ab\u6e05\u9664\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528sessionStorage\u7684\u793a\u4f8b\uff1a<\/p>\n
\n\/\/ \u5132\u5b58\u6578\u64da\nsessionStorage.setItem('sessionUser', 'JaneDoe');\n\n\/\/ \u7372\u53d6\u6578\u64da\nvar sessionUser = sessionStorage.getItem('sessionUser');\nconsole.log(sessionUser); \/\/ \u8f38\u51fa: JaneDoe\n\n\/\/ \u522a\u9664\u6578\u64da\nsessionStorage.removeItem('sessionUser');\n\n\/\/ \u6e05\u7a7a\u6240\u6709\u6578\u64da\nsessionStorage.clear();\n<\/code><\/pre>\n
IndexedDB<\/h2>\n
IndexedDB\u662f\u4e00\u7a2e\u66f4\u70ba\u5f37\u5927\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u5b58\u5132\u5927\u91cf\u7d50\u69cb\u5316\u6578\u64da\u3002\u5b83\u652f\u6301\u4e8b\u52d9\u3001\u7d22\u5f15\u548c\u67e5\u8a62\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u7528\u6236\u7684\u700f\u89bd\u5668\u4e2d\u6301\u4e45\u4fdd\u5b58\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528IndexedDB\u5275\u5efa\u6578\u64da\u5eab\u7684\u6b65\u9a5f\uff1a<\/p>\n
\u5275\u5efa\u6578\u64da\u5eab<\/h3>\n
\n\/\/ \u6253\u958b\u6216\u5275\u5efa\u6578\u64da\u5eab\nvar request = indexedDB.open('myDatabase', 1);\n\nrequest.onupgradeneeded = function(event) {\n    var db = event.target.result;\n    \/\/ \u5275\u5efa\u4e00\u500b\u5c0d\u8c61\u5b58\u5132\u7a7a\u9593\n    var objectStore = db.createObjectStore('users', { keyPath: 'id' });\n    objectStore.createIndex('name', 'name', { unique: false });\n};\n\nrequest.onsuccess = function(event) {\n    var db = event.target.result;\n    console.log('\u6578\u64da\u5eab\u5275\u5efa\u6210\u529f');\n};\n\nrequest.onerror = function(event) {\n    console.error('\u6578\u64da\u5eab\u5275\u5efa\u5931\u6557:', event.target.error);\n};\n<\/code><\/pre>\n
\u6dfb\u52a0\u6578\u64da<\/h3>\n
\nfunction addUser(db, user) {\n    var transaction = db.transaction(['users'], 'readwrite');\n    var objectStore = transaction.objectStore('users');\n    var request = objectStore.add(user);\n\n    request.onsuccess = function() {\n        console.log('\u7528\u6236\u6dfb\u52a0\u6210\u529f');\n    };\n\n    request.onerror = function() {\n        console.error('\u7528\u6236\u6dfb\u52a0\u5931\u6557:', request.error);\n    };\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\nvar user = { id: 1, name: 'Alice' };\naddUser(db, user);\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728Chrome\u700f\u89bd\u5668\u4e2d\u5275\u5efa\u6578\u64da\u5eab\u7684\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u7121\u8ad6\u662f\u4f7f\u7528\u7c21\u55ae\u7684Web Storage\u9084\u662f\u529f\u80fd\u5f37\u5927\u7684IndexedDB\uff0c\u90fd\u80fd\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002Web Storage\u9069\u5408\u5b58\u5132\u5c11\u91cf\u7684\u6578\u64da\uff0c\u800cIndexedDB\u5247\u9069\u5408\u9700\u8981\u66f4\u9ad8\u6027\u80fd\u548c\u66f4\u5927\u6578\u64da\u91cf\u7684\u61c9\u7528\u3002\u4e86\u89e3\u9019\u4e9b\u6280\u8853\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u65b9\u6848\u3002<\/p>\n
\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u81ea\u5df1\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728Chrome\u700f\u89bd\u5668\u4e2d\u5275\u5efa\u6578\u64da\u5eab\uff0c\u638c\u63e1\u4f7f\u7528IndexedDB\u548cWeb SQL\u7684\u6280\u5de7\uff0c\u63d0\u5347\u7db2\u9801\u61c9\u7528\u6027\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-59581","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=59581"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59581\/revisions"}],"predecessor-version":[{"id":59582,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59581\/revisions\/59582"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}