{"id":145,"date":"2018-10-14T20:10:06","date_gmt":"2018-10-14T12:10:06","guid":{"rendered":"https:\/\/103.249.111.182\/?p=145"},"modified":"2018-10-14T20:10:06","modified_gmt":"2018-10-14T12:10:06","slug":"%e7%ac%94%e8%ae%b0c%e8%af%ad%e8%a8%80%e5%92%8cajax%e5%bc%80%e5%8f%91%e5%b0%8f%e7%bb%9320181014","status":"publish","type":"post","link":"https:\/\/7gugu.com\/index.php\/2018\/10\/14\/%e7%ac%94%e8%ae%b0c%e8%af%ad%e8%a8%80%e5%92%8cajax%e5%bc%80%e5%8f%91%e5%b0%8f%e7%bb%9320181014\/","title":{"rendered":"[\u7b14\u8bb0]C\u8bed\u8a00\u548cAJAX\u5f00\u53d1\u5c0f\u7ed3[20181014]"},"content":{"rendered":"<h1><strong>C\u8bed\u8a00\u5c0f\u7ed3\uff1a<\/strong><\/h1>\n<hr \/>\n<ul>\n<li>pow(double x) \u8f93\u51fa\u4e5f\u662ffloat\u7c7b\u578b\u7684\u503c<\/li>\n<li>if(\u8868\u8fbe\u5f0f)[C\u8bed\u8a00\u7684\u8868\u8fbe\u5f0f\u4e2d\u5224\u65ad\u90e8\u5206\u7684\u503c\u53ea\u80fd\u662fint\u578b\u6216char\u578b\u6216bool\u578b]<span style=\"color: #333333;\"><strong>*<\/strong><\/span><\/li>\n<li>\u9017\u53f7\u8868\u8fbe\u5f0f\u4ece\u5de6\u5411\u53f3\u6c42\u503c,\u8f93\u51fa\u7684\u7ed3\u679c\u662f\u6700\u540e\u4e00\u4f4d\u7684\u503c<\/li>\n<li>abs(int x) \u6c42\u6574\u578b\u6570\u503c\u7684\u7edd\u5bf9\u503c<\/li>\n<li>fabs(double x) \u6c42\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u578b\u7684\u7edd\u5bf9\u503c<\/li>\n<li>case (\u6807\u7b7e): \u6807\u7b7e\u53ea\u80fd\u662f\u6570\u503c\/\u5b57\u7b26\/\u5b57\u7b26\u4e32,\u4e0d\u80fd\u662f\u8868\u8fbe\u5f0f<span style=\"color: #333333;\"><strong>**<\/strong><\/span><\/li>\n<li>sqrt(double x) \u8f93\u51fa\u662fdouble\u7c7b\u578b\u7684\u503c<\/li>\n<li>\u5355\u4e2a\u5b57\u7b26\u6570\u636e\u53ea\u80fd\u7528(&#8221;)\u5355\u5f15\u53f7\u6765\u50a8\u5b58,\u591a\u4e2a\u5b57\u7b26\u624d\u53ef\u4ee5\u91c7\u7528(&#8220;&#8221;)\u53cc\u5f15\u53f7\u6765\u5b58\u50a8<\/li>\n<\/ul>\n<p><strong>*<\/strong><span style=\"color: #ff9900;\">:<strong>if(a==2.34){}\u662f\u4e0d\u884c\u7684,\u9664\u975e\u628a2.34\u5f53\u6210\u5b57\u7b26\u4e32\u6765\u5b58\u50a8,\u518d\u8fdb\u884c\u5224\u65ad\u624d\u884c<\/strong><\/span><\/p>\n<p><strong>**<\/strong>:<strong><span style=\"color: #ff9900;\">\u4f8b:case a&gt;b:\u662f\u9519\u8bef\u7684<\/span><\/strong><\/p>\n<hr \/>\n<h1><strong>AJAX\u6280\u672f\u5c0f\u7ed3:<\/strong><\/h1>\n<hr \/>\n<p>\u5982\u679cConsole\u62a5\u9519\u51fa\u73b0 <span style=\"color: #ff9900;\">CORS \u5934\u7f3a\u5c11 &#8216;Access-Control-Allow-Origin&#8217;<br \/>\n<\/span><\/p>\n<p>\u4e3b\u8981\u662f\u56e0\u4e3a\u8de8\u57df\u7684\u9505,\u76ee\u524d\u5df2\u77e5\u7684\u89e3\u51b3\u529e\u6cd5\u6709\u4ee5\u4e0b\u4e24\u79cd(maybe):<\/p>\n<ol>\n<li>ajax\u7684url\u53c2\u6570\u53ea\u4f7f\u7528php\u6587\u4ef6,\u5982:<span style=\"color: #99cc00;\">data.php<\/span>,\u5373\u4f7f\u670d\u52a1\u5668\u662f\u81ea\u5df1\u7684,\u5f3a\u70c8\u8b66\u544a\u4e0d\u8981\u4f7f\u7528\u5168\u94fe\u63a5\u6765\u8bf7\u6c42,\u5982:<span style=\"color: #99cc00;\">www.boost.com\/index.php<\/span>\u8fd9\u6837\u6765\u8bf7\u6c42\u5f88\u5bb9\u6613\u62a5\u9519<\/li>\n<li>\u5728\u8bf7\u6c42\u9875\u9762\u7684\u5934\u90e8\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\u6765\u89e3\u51b3:\n<pre>&lt;meta http-equiv=\"Access-Control-Allow-Origin\" content=\"*\"&gt;<\/pre>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>C\u8bed\u8a00\u5c0f\u7ed3\uff1a pow(double x) \u8f93\u51fa\u4e5f\u662ffloat\u7c7b\u578b\u7684\u503c if(\u8868\u8fbe\u5f0f)[C\u8bed\u8a00\u7684\u8868\u8fbe\u5f0f\u4e2d\u5224\u65ad\u90e8\u5206 &hellip; <a href=\"https:\/\/7gugu.com\/index.php\/2018\/10\/14\/%e7%ac%94%e8%ae%b0c%e8%af%ad%e8%a8%80%e5%92%8cajax%e5%bc%80%e5%8f%91%e5%b0%8f%e7%bb%9320181014\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c[\u7b14\u8bb0]C\u8bed\u8a00\u548cAJAX\u5f00\u53d1\u5c0f\u7ed3[20181014]\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,13],"tags":[],"class_list":["post-145","post","type-post","status-publish","format-standard","hentry","category-29","category-13"],"_links":{"self":[{"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/posts\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/comments?post=145"}],"version-history":[{"count":0,"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/posts\/145\/revisions"}],"wp:attachment":[{"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/media?parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/categories?post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/7gugu.com\/index.php\/wp-json\/wp\/v2\/tags?post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}