{"id":1839,"date":"2016-06-07T22:40:17","date_gmt":"2016-06-07T14:40:17","guid":{"rendered":"http:\/\/www.daliane.com\/?p=1839"},"modified":"2016-06-07T22:40:18","modified_gmt":"2016-06-07T14:40:18","slug":"html5_ben_di_shu_ju_ku","status":"publish","type":"post","link":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/html5_ben_di_shu_ju_ku\/","title":{"rendered":"HTML5 \u672c\u5730\u6570\u636e\u5e93"},"content":{"rendered":"
\n

\u672c\u5730\u6570\u636e\u5e93\u7684\u57fa\u672c\u6982\u5ff5<\/h1>\n

\u5728HTML5\u4e2d\uff0c\u6dfb\u52a0\u4e86\u5f88\u591a\u529f\u80fd\u6765\u5c06\u539f\u672c\u5fc5\u987b\u8981\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u8f6c\u4e3a\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u672c\u5730\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86Web\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u51cf\u8f7b\u4e86\u670d\u52a1\u5668\u7aef\u7684\u8d1f\u62c5\u3002\u5728\u8fd9\u5176\u4e2d\uff0c\u4e00\u9879\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\u5c31\u662f\u6570\u636e\u5e93\u7684\u672c\u5730\u5b58\u50a8\u529f\u80fd\u3002\u5728HTML5\u4e2d\u5185\u7f6e\u4e86\u4e00\u4e2a\u53ef\u4ee5\u901a\u8fc7SQL\u8bed\u8a00\u6765\u8bbf\u95ee\u7684\u6570\u636e\u5e93\u3002<\/p>\n

\u73b0\u5728\uff0c\u8fd9\u79cd\u4e0d\u9700\u8981\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e0a\u7684\uff0c\u88ab\u79f0\u4e3a\u201cSQLLite\u201d\u7684\u6587\u4ef6\u578bSQL\u6570\u636e\u5e93\u5df2\u7ecf\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5229\u7528\uff0c\u6240\u4ee5HTML5\u4e2d\u4e5f\u91c7\u7528\u4e86\u8fd9\u79cd\u6570\u636e\u5e93\u6765\u4f5c\u4e3a\u672c\u5730\u6570\u636e\u5e93\uff0c\u8981\u4f7f\u7528SQLLite\u6570\u636e\u5e93\uff0c\u7f16\u5199JavaScript\u811a\u672c\u7684\u6b65\u9aa4\u5305\u62ec\uff1a<\/p>\n

    \n
  1. \u521b\u5efa\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u5bf9\u8c61\uff1b<\/li>\n
  2. \u4f7f\u7528\u4e8b\u52a1\u5904\u7406\u3002<\/li>\n<\/ol>\n

    \u9996\u5148\uff0c\u5fc5\u987b\u4f7f\u7528openDatabase()\u65b9\u6cd5\u6765\u521b\u5efa\u4e00\u4e2a\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u5bf9\u8c61\uff0c\u8be5\u65b9\u6cd5\u7684\u4f7f\u7528\u65b9\u6cd5\u6240\u4e0b\u6240\u793a\uff1a<\/p>\n

    \n
    \n
    Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
      \n
    1. var<\/span>\u00a0db\u00a0=\u00a0openDatabase(dbName,\u00a0verNo.,\u00a0desc,\u00a0size);<\/li>\n<\/ol>\n<\/div>\n

      \u8be5\u65b9\u6cd5\u4f7f\u7528\u56db\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u6570\u636e\u5e93\u540d\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u7248\u672c\u53f7\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\u6570\u636e\u5e93\u7684\u63cf\u8ff0\uff0c\u7b2c\u56db\u4e2a\u53c2\u6570\u4e3a\u6570\u636e\u5e93\u7684\u5927\u5c0f\u3002\u8be5\u65b9\u6cd5\u8fd4\u56de\u521b\u5efa\u540e\u7684\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u5bf9\u8c61\uff0c\u5982\u679c\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u8be5\u6570\u636e\u5e93\u3002<\/p>\n

      \u5b9e\u9645\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u65f6\u5019\uff0c\u8fd8\u9700\u8981\u8c03\u7528transaction()\u65b9\u6cd5\uff0c\u7528\u6765\u6267\u884c\u4e8b\u52a1\u5904\u7406\u3002\u4f7f\u7528\u4e8b\u52a1\u5904\u7406\uff0c\u53ef\u4ee5\u9632\u6b62\u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u8bbf\u95ee\u53ca\u6267\u884c\u6709\u5173\u64cd\u4f5c\u7684\u65f6\u5019\u53d7\u5230\u5916\u754c\u6253\u6270\u3002\u56e0\u4e3a\u5728Web\u4e0a\uff0c\u540c\u65f6\u4f1a\u6709\u8bb8\u591a\u7528\u6237\u90fd\u5728\u5bf9\u9875\u9762\u8fdb\u884c\u8bbf\u95ee\u3002\u5982\u679c\u5728\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6b63\u5728\u64cd\u4f5c\u7684\u6570\u636e\u88ab\u522b\u7684\u7528\u6237\u7ed9\u4fee\u6539\u7684\u8bdd\uff0c\u4f1a\u5f15\u8d77\u5f88\u591a\u610f\u60f3\u4e0d\u5230\u7684\u540e\u679c\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u6765\u8fbe\u5230\u5728\u64cd\u4f5c\u5b8c\u4e86\u4e4b\u524d\uff0c\u963b\u6b62\u522b\u7684\u7528\u6237\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u76ee\u7684\u3002<\/p>\n

      transaction()\u65b9\u6cd5\u7684\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

      \n
      \n
      Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
        \n
      1. db.transaction(function<\/span>(tx)\u00a0{<\/li>\n
      2. \u00a0\u00a0\u00a0\u00a0tx.executeSql(‘CREATE\u00a0TABLE\u00a0IF\u00a0NOT\u00a0EXISTS\u00a0LOGS\u00a0(id\u00a0unique,\u00a0Log)’<\/span>);<\/li>\n
      3. });<\/li>\n<\/ol>\n<\/div>\n

        \u8be5\u65b9\u6cd5\u4f7f\u7528\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u4e3a\u53c2\u6570\u3002\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6267\u884c\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u8bed\u53e5\u3002<\/p>\n

        \u7528executeSql\u6765\u6267\u884c\u67e5\u8be2<\/h1>\n

        executeSql()\u65b9\u6cd5\u7684\u5b8c\u6574\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n

        \n
        \n
        Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
          \n
        1. transaction.executeSql(sqlquery,\u00a0[],\u00a0dataHandler,\u00a0errorHandler);<\/li>\n<\/ol>\n<\/div>\n

          \u8be5\u65b9\u6cd5\u4f7f\u7528\u56db\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u9700\u8981\u6267\u884c\u7684SQL\u8bed\u53e5\uff1b\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3aSQL\u8bed\u53e5\u4e2d\u6240\u6709\u4f7f\u7528\u5230\u7684\u53c2\u6570\u7684\u6570\u7ec4\u3002\u5728executeSql()\u65b9\u6cd5\u4e2d\uff0c\u5c06SQL\u8bed\u53e5\u4e2d\u6240\u8981\u4f7f\u7528\u5230\u7684\u53c2\u6570\u5148\u7528\u201c\uff1f\u201d\u4ee3\u66ff\uff0c \u7136\u540e\u4f9d\u6b21\u5c06\u8fd9\u4e9b\u53c2\u6570\u7ec4\u6210\u6570\u7ec4\u653e\u5728\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e2d\uff0c\u4f8b\u5982\uff1a<\/p>\n

          \n
          \n
          Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
            \n
          1. transaction.executeSql(‘UPDATE\u00a0people\u00a0SET\u00a0age=?\u00a0WHERE\u00a0name=?;’<\/span>,\u00a0[age,\u00a0name]);<\/li>\n<\/ol>\n<\/div>\n

            \u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\u6267\u884cSQL\u8bed\u53e5\u6210\u529f\u65f6\u8c03\u7528\u7684\u56de\u8c03\u51fd\u6570\u3002\u8be5\u56de\u8c03\u51fd\u6570\u7684\u4f20\u9012\u65b9\u6cd5\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

            \n
            \n
            Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
              \n
            1. function<\/span>\u00a0dataHandler(transaction,\u00a0results)\u00a0{<\/li>\n
            2. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u6267\u884cSQL\u8bed\u53e5\u6210\u529f\u65f6\u7684\u5904\u7406\u3002<\/span><\/li>\n
            3. }<\/li>\n<\/ol>\n<\/div>\n

              \u8be5\u56de\u8c03\u51fd\u6570\u4f7f\u7528\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3atransaction\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6267\u884c\u67e5\u8be2\u64cd\u4f5c\u65f6\u8fd4\u56de\u7684\u67e5\u8be2\u5230\u7684\u7ed3\u679c\u6570\u636e\u96c6\u5bf9\u8c61\u3002<\/p>\n

              \u7b2c\u56db\u4e2a\u53c2\u6570\u4e3a\u6267\u884cSQL\u8bed\u53e5\u51fa\u9519\u65f6\u8c03\u7528\u7684\u56de\u8c03\u51fd\u6570\u3002\u8be5\u56de\u8c03\u51fd\u6570\u7684\u4f20\u9012\u65b9\u6cd5\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

              \n
              \n
              Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
                \n
              1. function<\/span>\u00a0errorHandler(transaction,\u00a0errmsg)\u00a0{<\/li>\n
              2. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u6267\u884cSQL\u8bed\u53e5\u51fa\u9519\u65f6\u7684\u5904\u7406\u3002<\/span><\/li>\n
              3. }<\/li>\n<\/ol>\n<\/div>\n

                \u8be5\u56de\u8c03\u51fd\u6570\u4f7f\u7528\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3atransaction\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6267\u884cSQL\u8bed\u53e5\u53d1\u751f\u9519\u8bef\u65f6\u7684\u9519\u8bef\u4fe1\u606f\u6587\u5b57\u3002<\/p>\n

                \u7ed3\u679c\u6570\u636e\u96c6\u5bf9\u8c61\u6709\u4e00\u4e2arows\u5c5e\u6027\uff0c\u5176\u4e2d\u4fdd\u5b58\u4e86\u67e5\u8be2\u5230\u7684\u6bcf\u6761\u8bb0\u5f55\uff0c\u8bb0\u5f55\u7684\u6761\u6570\u53ef\u4ee5\u7528rows.length\u6765\u83b7\u53d6\u3002\u53ef\u4ee5\u7528for\u5faa\u73af\uff0c\u7528rows[index]\u6216rows.Item\uff08[index]\uff09\u7684\u5f62\u5f0f\u6765\u4f9d\u6b21\u53d6\u51fa\u6bcf\u6761\u6570\u636e\u3002\u5728JavaScript\u811a\u672c\u4e2d\uff0c\u4e00\u822c\u91c7\u7528rows[index]\u7684\u5f62\u5f0f\u3002<\/p>\n<\/div>\n

                <\/div>\n","protected":false},"excerpt":{"rendered":"

                \u672c\u5730\u6570\u636e\u5e93\u7684\u57fa\u672c\u6982\u5ff5 \u5728HTML5\u4e2d\uff0c\u6dfb\u52a0\u4e86\u5f88\u591a\u529f\u80fd\u6765\u5c06\u539f\u672c\u5fc5\u987b\u8981\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u8f6c\u4e3a\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u672c\u5730\uff0c\u4ece…<\/p>\n","protected":false},"author":2,"featured_media":228,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[83,38],"tags":[37,233],"_links":{"self":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/1839"}],"collection":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/comments?post=1839"}],"version-history":[{"count":1,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/1839\/revisions"}],"predecessor-version":[{"id":1841,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/posts\/1839\/revisions\/1841"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/media\/228"}],"wp:attachment":[{"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/media?parent=1839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/categories?post=1839"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/wp-json\/wp\/v2\/tags?post=1839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}