{"id":1404,"date":"2016-10-15T22:19:34","date_gmt":"2016-10-15T14:19:34","guid":{"rendered":"http:\/\/ufqi.com\/blog\/?p=1404"},"modified":"2016-10-15T23:35:31","modified_gmt":"2016-10-15T15:35:31","slug":"gwa2-built-in-cache","status":"publish","type":"post","link":"https:\/\/ufqi.com\/blog\/gwa2-built-in-cache\/","title":{"rendered":"-GWA2 \u66f4\u65b0\u7f13\u5b58\u8c03\u7528built-in cache\u65b9\u6cd5"},"content":{"rendered":"

-GWA2 \u66f4\u65b0\u589e\u52a0\u5bf9\u7f13\u5b58\u7684\u9ed8\u8ba4\u96c6\u6210\u65b9\u6cd5\uff0c\u4f7f\u7528\u989d\u5916\u6307\u5b9a\u7f13\u5b58 Key \u7684\u65b9\u5f0f\u53ef\u4ee5\u6fc0\u6d3b\u7f13\u5b58\u670d\u52a1\u3002<\/p>\n

$cacheKey = ‘my-cache-key’;
$data = $gwa2->getBy(“field1, field2, ….”, “field1 like ?”, $withCache=array(‘key’=>$cacheKey));
\u6216\u8005
$data = $gwa2->execBy(“select * from tbl_a”, “field1 like ?”, $withCache=array(‘key’=>$cacheKey));<\/p>\n

\u5982\u6b64\uff0c\u5219\u8bfb\u53d6\u670d\u52a1\u4f1a\u9996\u5148\u6839\u636e\u6307\u5b9a\u7684 $cacheKey \u53bb\u8bfb\u53d6\u7f13\u5b58\u670d\u52a1\uff0c\u82e5\u83b7\u5f97\u6570\u636e\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u4e2d\u7684\u670d\u52a1\uff1b\u82e5\u6ca1\u6709\u83b7\u5f97\u6570\u636e\uff0c\u5219\u8fdb\u4e00\u6b65\u5730\u8c03\u7528\u8bfb\u53d6\u5916\u90e8\u6570\u636e\u5982Database\u6216\u8005Filesystem, \u4e5f\u5373<\/p>\n

$data = $gwa2->getBy(“field1, field2, ….”, “field1 like ?”);
\u6216\u8005
$data =\u00a0$gwa2->execBy(“select * from tbl_a”, “field1 like ?”);<\/p>\n

\u7ecf\u6b64\u88ab\u8c03\u7528\u7684\u8bfb\u53d6\u65b9\u6cd5\uff0c\u4f1a\u5728\u6210\u529f\u83b7\u5f97\u5916\u90e8\u6570\u636e\u540e\uff0c\u8c03\u7528\u7f13\u5b58\u7684\u5199\u65b9\u6cd5\uff0c\u5c06\u6570\u636e\u5199\u5165\u5230\u7f13\u5b58\u4e2d\uff0c\u5df2\u5907\u4e0b\u6b21\u76f8\u540c\u8bf7\u6c42\u6570\u636e Key \u7684\u8bfb\u53d6\u80fd\u591f\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u5f97\u3002\u5982\u6b64\u5219\u5b9e\u73b0\u4e86\u5bf9\u7f13\u5b58\u7684\u9ed8\u8ba4\u96c6\u6210\uff0cbuilt-in cache.<\/p>\n

\u5927\u81f4\u6d41\u7a0b\u53ca\u56fe\u4f8b\u5982\u4e0b\u3002
<\/p>\n

\u4e4b\u6240\u4ee5\u4f7f\u7528\u96c6\u6210\u7684Built-in\u7684\u65b9\u5f0f\uff0c\u662f\u56e0\u4e3a\u5982\u679c\u542f\u7528\u7f13\u5b58\uff0c\u5728\u591a\u4e2a\u5730\u65b9\u9700\u8981\u91cd\u590d\u5bf9GWA2::getBy\/GWA2::execBy\u7684\u53cd\u590d\u8c03\u7528\uff0c\u5148\u4f7f\u7528\u7f13\u5b58\u8c03\u7528\u4e00\u904d\uff0c\u7136\u540e\u5224\u65ad\u8fd4\u56de\u7ed3\u679c\uff0c\u82e5\u5931\u8d25\u5219\u518d\u4f7f\u7528Db\/Fs\u7684\u8bfb\u53d6\u4e00\u904d\uff0c\u518d\u5224\u65ad\u8fd4\u56de\u7ed3\u679c\uff0c\u5982\u679c\u662f\u6210\u529f\u7684\u5219\u8bbe\u7f6e\u5199\u5165\u5230\u7f13\u5b58\u3002\u5927\u81f4\u6d41\u7a0b\u5982\u4e0b\u3002
$cacheKey = “my-cache-key”;
$data = $gwa2->getBy(‘cache:’, $args=array(‘key’=>$cacheKey));
if($data[0]){
\u00a0 \u00a0 # read cache succ
}
else{<\/p>\n

\u00a0 \u00a0 # read cache fail
$data = $gwa2->getBy(‘field1, field2, …’, “field1 like ?”);
if($data[0]){<\/p>\n

\u00a0 \u00a0 # read db succ
$gwa2->setBy(‘cache:’, $args=>array(‘key’=>$cacheKey, ‘value’=>$data[1]));
\u00a0
}
else{
\u00a0 \u00a0 # read db fail
}<\/p>\n

}
\u4e0a\u9762\u7684\u96c6\u6210\uff08Built-in)\u672c\u8d28\u4e0a\u5c31\u662f\u5bf9\u8fd9\u4e9b\u91cd\u590d\u4ee3\u7801\u8fdb\u884c\u5c01\u88c5\u7684\u64cd\u4f5c\uff0c\u5982\u6b64\u5219\u8ba9\u5f00\u53d1\u66f4\u5feb\u6377\u3002\u968f\u7740\u5b9e\u8df5\u7684\u589e\u591a\uff0c\u6216\u8bb8\u7a0d\u540e\u8c03\u7528\u65f6\uff0c$withCache \u7684\u53c2\u6570\u7531\u4e00\u4e2a\u5e26\u6709 cacheKey \u7684\u6570\u7ec4\u53d8\u4e3a\u4e00\u4e2a boolean\u503c\uff0c \u800c cacheKey \u7684\u751f\u6210\u5219\u81ea\u52a8\u5b8c\u6210\u3002\u4e5f\u5373,
$data = $gwa2->getBy(‘field1, field2, …’, ‘field1 like ?’, $useCache=true);<\/p>\n

\u5b9e\u73b0\u4e0a\u9762\u7684\u64cd\u4f5c\uff0c\u79bb\u4e0d\u5f00 -GWA2 \u4e4b\u524d\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u5982\u00a0
gwa2\u66f4\u65b0\u591a\u6570\u636e\u5e93\u9a71\u52a8\u652f\u6301<\/a><\/p>\n

\u53d7\u76ca\u4e8e\u6b64\uff0c\u57fa\u4e8e -GWA2 \u7684 -gMIS \u5c06\u9996\u5148\u4f7f\u7528\u8be5\u7f13\u5b58\u670d\u52a1\u3002<\/p>\n

-GWA2 \u662f\u4e00\u5957\u901a\u7528\u7f51\u7edc\u5e94\u7528\uff08\u8f6f\u4ef6\u7a0b\u5e8f\uff09\u67b6\u6784\u7cfb\u7edf\uff0c\u57fa\u4e8e -GWA2 \u53ef\u4ee5\u8f7b\u4fbf\u6784\u5efa\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f, \u5305\u62ec\u590d\u6742\u7684\u5728\u7ebf\u8d2d\u7269\u5546\u57ce\u3001 \u65c5\u6e38\u4ea4\u6613\u5e73\u53f0\u3001\u793e\u7fa4\u6216\u8005\u793e\u4ea4\u7f51\u7ad9\u548c\u65b0\u95fb\u8d44\u8baf\u7f51\u7ad9\u7b49\uff0c \u4e5f\u5305\u62ec\u5404\u79cd\u4f01\u4e8b\u4e1a\u5355\u4f4d\u7f51\u4e0a\u95e8\u6237\uff0c\u5728\u7ebf\u4ea4\u4e92\u53ca\u670d\u52a1\u4f5c\u4e1a\u7cfb\u7edf\u7b49. \u8fd8\u53ef\u4ee5\u5305\u62ec\u4e3aNativeApp\u505a\u670d\u52a1\u5668\u7aef\u652f\u6301, \u751a\u81f3\u662fWebApp\u7684\u5168\u90e8\u3002<\/p>\n

<\/p>\n

\u903b\u8f91\u56fe\u7684\u5236\u4f5c\uff0c\u4f7f\u7528 -cacoo \u5728\u7ebf\u5b8c\u6210.<\/p>\n","protected":false},"excerpt":{"rendered":"

-GWA2 \u66f4\u65b0\u589e\u52a0\u5bf9\u7f13\u5b58\u7684\u9ed8\u8ba4\u96c6\u6210\u65b9\u6cd5\uff0c\u4f7f\u7528\u989d\u5916\u6307\u5b9a\u7f13\u5b58 Key \u7684\u65b9\u5f0f\u53ef\u4ee5\u6fc0 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":1362,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[41,42,2],"tags":[20,162,163,136,86],"_links":{"self":[{"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/posts\/1404"}],"collection":[{"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/comments?post=1404"}],"version-history":[{"count":11,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/posts\/1404\/revisions"}],"predecessor-version":[{"id":1416,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/posts\/1404\/revisions\/1416"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/media\/1362"}],"wp:attachment":[{"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/media?parent=1404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/categories?post=1404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ufqi.com\/blog\/wp-json\/wp\/v2\/tags?post=1404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}