{"id":31335,"date":"2024-11-25T14:17:01","date_gmt":"2024-11-25T06:17:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31335\/"},"modified":"2024-11-25T14:17:01","modified_gmt":"2024-11-25T06:17:01","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%ae%9e%e7%8e%b0image%e5%9b%be%e7%89%87%e8%87%aa%e9%80%82%e5%ba%94%e5%ae%bd%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31335\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6"},"content":{"rendered":"<p>\u672c\u6587\u4e3b\u8981\u548c\u5927\u5bb6\u5206\u4eab\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u9996\u5148\u6211\u4eec\u5148\u6765\u4e86\u89e3\u4e00\u4e0bimage\u7ec4\u4ef6\u3002<\/p>\n<p><span style=\"font-size:18px;color:#333333\">\u4e00.\u4e86\u89e3image\u7ec4\u4ef6<\/span><\/p>\n<p><span style=\"font-size:18px;color:#333333\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/054\/025\/1c35d632f75f33a21627fd0af15a38b3-0.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\u63d2\u56fe\" \/><\/span><\/p>\n<p><span style=\"font-size:18px;color:#333333\">\u7531\u4e8eimage\u6709\u9ed8\u8ba4\u7684\u56fa\u5b9a\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0c\u8fd9\u6837\u6211\u4eec\u5728\u505a\u56fe\u7247\u81ea\u9002\u5e94\u7684\u65f6\u5019\uff0c\u5c31\u4e0d\u597d\u505a\u4e86\u3002<span style=\"font-size:18px\">\u4e0b\u9762\u5c31\u6765\u4e00\u8d77\u89e3\u51b3\u4e0b<\/span><\/span><\/p>\n<p><span style=\"font-size:18px;color:#333333\"><br \/>\u4e8c.\u65b9\u6cd5<\/span><\/p>\n<p><span style=\"font-size:18px\">(\u4e00).\u4f7f\u7528mode\uff1awidthFix<\/span><\/p>\n<p><span style=\"font-size:18px;color:#333333\">widthFix\uff1a\u5bbd\u5ea6\u4e0d\u53d8\uff0c\u9ad8\u5ea6\u81ea\u52a8\u53d8\u5316\uff0c\u4fdd\u6301\u539f\u56fe\u5bbd\u9ad8\u6bd4\u4e0d\u53d8\u3002<br \/>\u9996\u5148\u6211\u4eec\u5148\u8bbe\u7f6eimage\u7684mode\u4e3awidthFix\uff0c\u7136\u540e\u7ed9\u56fe\u7247\u52a0\u4e00\u4e2a\u56fa\u5b9arpx\u7684\u5bbd\u5ea6\uff0c\u6bd4\u5982\uff1a730rpx\u3002<br \/>\u8fd9\u6837\u56fe\u7247\u4e5f\u53ef\u4ee5\u81ea\u9002\u5e94\u4e86\u3002\u3002\u56e0\u4e3a\u5c0f\u7a0b\u5e8f\u7684rpx\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u81ea\u9002\u5e94\u663e\u793a\u7684\u5355\u4f4d<\/span><\/p>\n<p><span style=\"font-size:18px;color:#333333\"><br \/><span style=\"font-size:18px\">(\u4e8c).<\/span>\u4f7f\u7528bindload\u7ed1\u5b9a\u51fd\u6570\u52a8\u6001\u81ea\u9002\u5e94\u3002<br \/>\u6211\u4eec\u53ef\u4ee5\u7ed9image\u7ed1\u5b9a\u4e00\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\uff0c\u5982\u4e0a\u9762\u7684bindload\u8bf4\u660e\u4e00\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u539f\u56fe\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002<br \/>\u7136\u540e\u8ba1\u7b97\u4ed6\u4eec\u7684\u5bbd\u9ad8\u6bd4\u7387\u3002\u3002\u7136\u540e\u8bbe\u7f6e\u4e00\u4e2a\u5bbd\u5ea6\u5927\u5c0f\uff08rpx\uff09\uff0c\u6700\u540e\u901a\u8fc7style\u52a8\u6001\u8bbe\u7f6eimage\u7684\u5bbd\u9ad8\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<br \/><\/span><\/p>\n<p><span style=\"font-size:18px;color:#333333\">1.<span style=\"letter-spacing:.2px\">.\u7f16\u5199\u9875\u9762\u7ed3\u6784<\/span>index.wxml\uff1a<\/span><\/p>\n<pre>&lt;image style=\"width:{{imgwidth}}rpx;&nbsp;height:{{imgheight&nbsp;}}rpx;\"&gt;&lt;\/image&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><span style=\"font-size:18px;color:#333333\"><span style=\"letter-spacing:.2px\">2.<\/span><span style=\"letter-spacing:.2px\">\u8bbe\u7f6e\u6570\u636eindex.js<\/span><br \/><\/span><\/p>\n<pre>\/\/\u83b7\u53d6\u5e94\u7528\u5b9e\u4f8b&nbsp;\r\nvar&nbsp;app&nbsp;=&nbsp;getApp()\r\nPage({\r\n\tdata:&nbsp;{\r\n\t\tscreenWidth:&nbsp;0,\r\n\t\tscreenHeight:0,\r\n\t\timgwidth:0,\r\n\t\timgheight:0,\r\n\t},\r\n\tonLoad:&nbsp;function()&nbsp;{\r\n\t\tvar&nbsp;_this&nbsp;=&nbsp;this;\r\n\t\twx.getSystemInfo({\r\n\t\t\tsuccess:&nbsp;function(res)&nbsp;{\r\n\t\t\t\t_this.setData({\r\n\t\t\t\t\tscreenHeight:&nbsp;res.windowHeight,\r\n\t\t\t\t\tscreenWidth:&nbsp;res.windowWidth,\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t},\r\n&nbsp;&nbsp;\timageLoad:&nbsp;function(e)&nbsp;{\r\n&nbsp;&nbsp;\t\tvar&nbsp;_this=this;\r\n\t\tvar&nbsp;$width=e.detail.width,&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u83b7\u53d6\u56fe\u7247\u771f\u5b9e\u5bbd\u5ea6\r\n\t\t&nbsp;&nbsp;&nbsp;&nbsp;$height=e.detail.height,\r\n\t\t&nbsp;&nbsp;&nbsp;&nbsp;ratio=$width\/$height;&nbsp;&nbsp;&nbsp;\/\/\u56fe\u7247\u7684\u771f\u5b9e\u5bbd\u9ad8\u6bd4\u4f8b\r\n\t\tvar&nbsp;viewWidth=500,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8bbe\u7f6e\u56fe\u7247\u663e\u793a\u5bbd\u5ea6\uff0c\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;viewHeight=500\/ratio;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8ba1\u7b97\u7684\u9ad8\u5ea6\u503c&nbsp;&nbsp;&nbsp;\r\n\t\tthis.setData({\r\n\t\t\timgwidth:viewWidth,\r\n\t\t&nbsp;&nbsp;&nbsp;&nbsp;imgheight:viewHeight\r\n\t\t})\r\n&nbsp;&nbsp;\t}\r\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><span style=\"font-size:18px;color:#333333\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/054\/025\/f61b0f47eb7e5c151246621f744ac5e0-1.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\u63d2\u56fe1\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\u63d2\u56fe1\" \/><br \/><\/span>\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4e3b\u8981\u548c\u5927\u5bb6\u5206\u4eab\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u9996\u5148\u6211\u4eec\u5148\u6765\u4e86\u89e3\u4e00\u4e0bimage\u7ec4\u4ef6\u3002 \u4e00.\u4e86\u89e3image\u7ec4\u4ef6 \u7531\u4e8eimage\u6709\u9ed8\u8ba4\u7684\u56fa\u5b9a\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0c\u8fd9\u6837\u6211\u4eec\u5728\u505a\u56fe\u7247\u81ea\u9002\u5e94\u7684\u65f6\u5019\uff0c\u5c31\u4e0d\u597d\u505a\u4e86\u3002\u4e0b\u9762\u5c31\u6765\u4e00\u8d77\u89e3\u51b3\u4e0b \u4e8c.\u65b9\u6cd5 (\u4e00).\u4f7f\u7528mode\uff1awidthFix widthFix\uff1a\u5bbd\u5ea6\u4e0d\u53d8\uff0c\u9ad8\u5ea6\u81ea\u52a8\u53d8\u5316\uff0c\u4fdd\u6301\u539f\u56fe\u5bbd\u9ad8\u6bd4\u4e0d\u53d8\u3002\u9996\u5148\u6211\u4eec\u5148\u8bbe\u7f6eimage\u7684mode\u4e3awidthFix\uff0c\u7136\u540e\u7ed9\u56fe\u7247\u52a0\u4e00\u4e2a\u56fa\u5b9arpx\u7684\u5bbd\u5ea6\uff0c\u6bd4\u5982\uff1a730rpx\u3002\u8fd9\u6837\u56fe\u7247\u4e5f\u53ef\u4ee5\u81ea\u9002\u5e94\u4e86\u3002\u3002\u56e0\u4e3a\u5c0f\u7a0b\u5e8f\u7684rpx\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u81ea\u9002\u5e94\u663e\u793a\u7684\u5355\u4f4d (\u4e8c).\u4f7f\u7528bindload\u7ed1\u5b9a\u51fd\u6570\u52a8\u6001\u81ea\u9002\u5e94\u3002\u6211\u4eec\u53ef\u4ee5\u7ed9image\u7ed1\u5b9a\u4e00\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\uff0c\u5982\u4e0a\u9762\u7684bindload\u8bf4\u660e\u4e00\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u539f\u56fe\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002\u7136\u540e\u8ba1\u7b97\u4ed6\u4eec\u7684\u5bbd\u9ad8\u6bd4\u7387\u3002\u3002\u7136\u540e\u8bbe\u7f6e\u4e00\u4e2a\u5bbd\u5ea6\u5927\u5c0f\uff08rpx\uff09\uff0c\u6700\u540e\u901a\u8fc7style\u52a8\u6001\u8bbe\u7f6eimage\u7684\u5bbd\u9ad8\u3002\u4ee3\u7801\u5982\u4e0b\uff1a 1..\u7f16\u5199\u9875\u9762\u7ed3\u6784index.wxml\uff1a &lt;image style=&#8221;width:{{imgwidth}}rpx;&nbsp;height:{{imgheight&nbsp;}}rpx;&#8221;&gt;&lt;\/image&gt; \u767b\u5f55\u540e\u590d\u5236 2.\u8bbe\u7f6e\u6570\u636eindex.js \/\/\u83b7\u53d6\u5e94\u7528\u5b9e\u4f8b&nbsp; var&nbsp;app&nbsp;=&nbsp;getApp() Page({ data:&nbsp;{ screenWidth:&nbsp;0, screenHeight:0, imgwidth:0, imgheight:0, }, onLoad:&nbsp;function()&nbsp;{ var&nbsp;_this&nbsp;=&nbsp;this; wx.getSystemInfo({ success:&nbsp;function(res)&nbsp;{ _this.setData({ screenHeight:&nbsp;res.windowHeight, screenWidth:&nbsp;res.windowWidth, }); } }); }, &nbsp;&nbsp; imageLoad:&nbsp;function(e)&nbsp;{ &nbsp;&nbsp; var&nbsp;_this=this; var&nbsp;$width=e.detail.width,&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u83b7\u53d6\u56fe\u7247\u771f\u5b9e\u5bbd\u5ea6 &nbsp;&nbsp;&nbsp;&nbsp;$height=e.detail.height, &nbsp;&nbsp;&nbsp;&nbsp;ratio=$width\/$height;&nbsp;&nbsp;&nbsp;\/\/\u56fe\u7247\u7684\u771f\u5b9e\u5bbd\u9ad8\u6bd4\u4f8b var&nbsp;viewWidth=500,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8bbe\u7f6e\u56fe\u7247\u663e\u793a\u5bbd\u5ea6\uff0c &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;viewHeight=500\/ratio;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8ba1\u7b97\u7684\u9ad8\u5ea6\u503c&nbsp;&nbsp;&nbsp; this.setData({ imgwidth:viewWidth, &nbsp;&nbsp;&nbsp;&nbsp;imgheight:viewHeight }) &nbsp;&nbsp; } }) \u767b\u5f55\u540e\u590d\u5236 \u76f8\u5173\u63a8\u8350\uff1a \u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0image\u56fe\u7247\u81ea\u9002\u5e94\u5bbd\u5ea6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-31335","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=31335"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31335\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}