{"id":199661,"date":"2023-08-05T21:55:10","date_gmt":"2023-08-05T13:55:10","guid":{"rendered":"https:\/\/www.idc.net\/help\/199661\/"},"modified":"2023-08-05T21:55:10","modified_gmt":"2023-08-05T13:55:10","slug":"%e5%85%b3%e4%ba%8e%e9%80%82%e9%85%8d%e4%bd%a0%e9%9c%80%e8%a6%81%e7%9f%a5%e9%81%93%e7%9a%84-mobileweb%e9%80%82%e9%85%8d%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/199661\/","title":{"rendered":"\u5173\u4e8e\u9002\u914d\u4f60\u9700\u8981\u77e5\u9053\u7684\u2014MobileWeb\u9002\u914d\u603b\u7ed3"},"content":{"rendered":"

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\u9002\u914d\u8fbe\u5230\u7684\u6548\u679c\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n

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\u9002\u914d\u5e94\u5173\u6ce8\u54ea\u4e9b\u8981\u7d20\uff1f<\/strong><\/p>\n

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\u53e6\u5916\u8981\u8003\u8651\u5230\uff0c\u8bbe\u8ba1\u5e08\u8bbe\u8ba1\u89c6\u89c9\u7a3f\u65f6\u4f7f\u7528\u4ec0\u4e48\u6837\u7684\u5bbd\u5ea6\uff0c\u624d\u80fd\u65e2\u6ee1\u8db3\u8bbe\u8ba1\u81ea\u8eab\u7684\u9700\u6c42\u53c8\u80fd\u8ba9\u524d\u7aef\u5f00\u53d1\u65b9\u4fbf\u7684\u5207\u56fe\u9002\u914d\u3002<\/p>\n

\u4e3e\u4e2a\u4f8b\u5b50<\/strong><\/p>\n

\u56f4\u7ed5\u8fd9\u4e09\u8981\u7d20\uff0c\u6211\u4eec\u7528\u4e00\u4e2a\u5c0f\u4f8b\u5b50\u6765\u8bf4\u660e\u63a5\u4e0b\u6765\u8981\u4ecb\u7ecd\u7684\u4e09\u79cd\u65b9\u6848\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u6309 640px \u6807\u51c6\u9700\u5b9e\u73b0\u7684\u6548\u679c\u5982\u56fe\uff1a<\/p>\n

app.jpg<\/p>\n

\u56fa\u5b9a\u9ad8\u5ea6\uff0c\u5bbd\u5ea6\u81ea\u9002\u5e94<\/strong><\/p>\n

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\u7c97\u7565\u6d4f\u89c8\u4e86\u4e0b\u4e00\u4e9b\u5927\u5382\u7684\u9996\u9875\uff0c\u50cf\u767e\u5ea6\u3001\u817e\u8baf\u3001Facebook\u3001Twitter \u90fd\u662f\u91c7\u7528\u7684\u8fd9\u79cd\u65b9\u6848\u3002<\/p>\n

\u8981\u70b9\uff1a<\/p>\n

\u4ee5\u5c0f\u5bbd\u5ea6\u4f5c\u4e3a\u53c2\u7167\u662f\u56e0\u4e3a\u5982\u679c\u5e03\u5c40\u6ee1\u8db3\u4e86\u5c0f\u5bbd\u5ea6\u7684\u6446\u653e\uff0c\u5f53\u5c4f\u5e55\u53d8\u5bbd\u65f6\uff0c\u7b80\u5355\u7684\u586b\u5145\u7a7a\u767d\u5c31\u53ef\u4ee5\u4e86\uff1b\u800c\u5982\u679c\u53cd\u8fc7\u6765\u5c31\u53ef\u80fd\u9020\u6210\u201c\u6324\u574f\u4e86\u201d\uff0c\u8003\u8651 header \u533a\u57df\uff0c\u5de6\u6d4b logo \u53f3\u6d4b\u6a2a\u5411 nav \u7684\u60c5\u51b5\u3002<\/p>\n

\u9700\u8981\u5c0f\u5bbd\u5ea6\u7684\u5e03\u5c40\uff0c\u53c8\u9700\u8981\u5927\u5bbd\u5ea6\u7684\u56fe\u50cf\uff0c\u8fd9\u662f\u4e00\u4e2a\u77db\u76fe\u70b9\u3002<\/p>\n

320px \u8fc7\u4e8e\u7a84\u5c0f\uff0c\u4e0d\u5229\u4e8e\u9875\u9762\u7684\u8bbe\u8ba1\uff1b\u53ea\u80fd\u8bbe\u8ba1\u6a2a\u5411\u62c9\u4f38\u7684\u5143\u7d20\u5e03\u5c40\uff0c\u5b58\u5728\u5f88\u591a\u5c40\u9650\u6027\u3002<\/p>\n

\u517c\u5bb9\u6027\u8f83\u597d\u3002<\/strong><\/p>\n

\u5b9e\u73b0\u6bd4\u8f83\u7b80\u5355\uff0c\u6837\u5f0f\u4e2d\u7684\u5c3a\u5bf8\u90fd\u6309\u7167\u89c6\u89c9\u7a3f\u4e8c\u5206\u4e4b\u4e00\u5927\u5c0f\u8bbe\u7f6e\uff0c\u67e5\u770b\u6548\u679c\u548c\u4ee3\u7801\u3002<\/p>\n

 <\/p>\n

\n

\u56fa\u5b9a\u5bbd\u5ea6\uff0cviewport \u7f29\u653e<\/strong><\/p>\n

\u89c6\u89c9\u7a3f\u3001\u9875\u9762\u5bbd\u5ea6\u3001viewport width \u4f7f\u7528\u7edf\u4e00\u5bbd\u5ea6\uff0c\u5229\u7528\u6d4f\u89c8\u5668\u81ea\u8eab\u7f29\u653e\u5b8c\u6210\u9002\u914d\u3002\u9875\u9762\u6837\u5f0f\uff08\u5305\u62ec\u56fe\u50cf\u5143\u7d20\uff09\u5b8c\u5168\u6309\u7167\u89c6\u89c9\u7a3f\u7684\u5c3a\u5bf8\uff0c\u4f7f\u7528\u5b9a\u503c\u5355\u4f4d \uff08px\u3001em\uff09\u5373\u53ef\u5b8c\u6210\u3002<\/p>\n

\u4f18\u70b9\uff1a<\/strong><\/p>\n

\u5f00\u53d1\u7b80\u5355\uff1a\u7f29\u653e\u4ea4\u7ed9\u6d4f\u89c8\u5668\uff0c\u5b8c\u5168\u6309\u89c6\u89c9\u7a3f\u5207\u56fe\u3002<\/p>\n

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\u6d4b\u8bd5\u65b9\u4fbf\uff1a\u5728PC\u7aef\u5373\u53ef\u5b8c\u6210\u5927\u90e8\u5206\u6d4b\u8bd5\uff0c\u624b\u673a\u7aef\u53ea\u9700\u914c\u60c5\u8c03\u6574\u4e00\u4e9b\u7ec6\u8282\uff08\u6bd4\u5982\u56fe\u6807\u3001\u5b57\u4f53\u6df7\u5408\u6392\u5217\u65f6\uff0c\u56e0\u4e3a\u5b57\u4f53\u4e0d\u540c\u9020\u6210\u7684\u5bf9\u9f50\u95ee\u9898\uff09\u3002<\/p>\n

\u5b58\u5728\u7684\u95ee\u9898\uff1a<\/strong><\/p>\n

\u50cf\u7d20\u4e22\u5931<\/strong>\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u5206\u8fa8\u7387\u8f83\u4f4e\u7684\u624b\u673a\uff0c\u53ef\u80fd\u8bbe\u5907\u50cf\u7d20\u8fd8\u672a\u8fbe\u5230\u6307\u5b9a\u7684 viewport \u5bbd\u5ea6\uff0c\u6b64\u65f6\u5c4f\u5e55\u7684\u6e32\u67d3\u53ef\u80fd\u5c31\u4e0d\u51c6\u786e\u4e86\u3002\u6bd4\u8f83\u5e38\u89c1\u7684\u662f\u8fb9\u6846\u201c\u6d88\u5931\u201d\u4e86\uff0c\u4e0d\u8fc7\u968f\u7740\u624b\u673a\u786c\u4ef6\u7684\u66f4\u65b0\uff0c\u8fd9\u4e2a\u95ee\u9898\u4f1a\u8d8a\u6765\u8d8a\u5c11\u7684\u3002<\/p>\n

\u7f29\u653e\u5931\u6548<\/strong>\uff1a\u67d0\u4e9b\u5b89\u5353\u673a\u4e0d\u80fd\u6b63\u5e38\u7684\u6839\u636e meta \u6807\u7b7e\u4e2d width \u7684\u503c\u6765\u7f29\u653e viewport\uff0c\u9700\u8981\u914d\u5408 initial-scale \u3002<\/p>\n

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\u7f29\u653e\u5931\u6548\u95ee\u9898\u9700\u901a\u8fc7 js \u52a8\u6001\u8bbe\u5b9a initial-scale<\/p>\n

\n \n \n \n 
    \n  \n  \n  \n  
  1. var fixScreen = function() { <\/span><\/span><\/li>\n  \n  \n  \n  
  2. var metaEl = doc.querySelector('meta[name=\"viewport\"]'<\/span>), <\/span><\/span><\/li>\n  \n  \n  \n  
  3. metaCtt = metaEl ? metaEl.content : ''<\/span>, <\/span><\/span><\/li>\n  \n  \n  \n  
  4. matchScale = metaCtt.match(\/initial\\-scale=([\\d\\.]+)\/), <\/span><\/li>\n  \n  \n  \n  
  5. matchWidth = metaCtt.match(\/width=([^,\\s]+)\/); <\/span><\/li>\n  \n  \n  \n  
  6. if<\/span> ( metaEl && !matchScale && ( matchWidth && matchWidth[<\/span>1<\/span>] != <\/span>'device-width'<\/span>) ) { <\/span><\/span><\/li>\n  \n  \n  \n  
  7. var width = parseInt(matchWidth[1<\/span>]), <\/span><\/span><\/li>\n  \n  \n  \n  
  8. iw = win.innerWidth || width, <\/span><\/li>\n  \n  \n  \n  
  9. ow = win.outerWidth || iw, <\/span><\/li>\n  \n  \n  \n  
  10. sw = win.screen.width || iw, <\/span><\/li>\n  \n  \n  \n  
  11. saw = win.screen.availWidth || iw, <\/span><\/li>\n  \n  \n  \n  
  12. ih = win.innerHeight || width, <\/span><\/li>\n  \n  \n  \n  
  13. oh = win.outerHeight || ih, <\/span><\/li>\n  \n  \n  \n  
  14. ish = win.screen.height || ih, <\/span><\/li>\n  \n  \n  \n  
  15. sah = win.screen.availHeight || ih, <\/span><\/li>\n  \n  \n  \n  
  16. w = Math.min(iw,ow,sw,saw,ih,oh,ish,sah), <\/span><\/li>\n  \n  \n  \n  
  17. scale = w \/ width; <\/span><\/li>\n  \n  \n  \n  
  18. if<\/span> ( ratio < <\/span>1<\/span>) { <\/span><\/span><\/li>\n  \n  \n  \n  
  19. metaEl.content += ',initial-scale='<\/span> + ratio + <\/span>',maximum-scale='<\/span> + ratio + <\/span>', minimum-scale='<\/span> + scale + <\/span>',user-scalable=no'<\/span>; <\/span><\/span><\/li>\n  \n  \n  \n  
  20. } <\/span><\/li>\n  \n  \n  \n  
  21. } <\/span><\/li>\n  \n  \n  \n  
  22. } <\/span><\/li>\n \n \n \n <\/ol><\/pre>\n
    \u6587\u672c\u6298\u884c\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7 css \u6837\u5f0f\u89e3\u51b3\u3002<\/p>\n
     <\/p>\n
    \n
    \u65e2\u7136\u8be5\u65b9\u6848\u4f7f\u7528\u56fa\u5b9a\u5bbd\u5ea6\u503c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u503c\u662f\u591a\u5c11\u5408\u9002\u5462\uff1f\u9996\u8981\u8003\u8651\u7684\u662f\u4e3b\u6d41\u5206\u8fa8\u7387\uff0c\u53ef\u53c2\u8003Screen Sizes\u548c\u53cb\u76df\u6307\u6570\u7684\u6570\u636e\uff1b\u5176\u6b21\u8981\u8003\u8651\u8bbe\u8ba1\u90e8\u95e8\u5e38\u7528\u7684\u8bbe\u8ba1\u5c3a\u5bf8\uff0c\u7efc\u5408\u534f\u8c03\uff0c\u6700\u7ec8\u786e\u5b9a\u4e00\u4e2a\u5408\u9002\u7684\u503c\u3002<\/p>\n
    \u8be5\u5904\u4f7f\u7528640px\u6765\u5b9e\u73b0\u4f8b\u5b50\uff0c\u67e5\u770b\u6548\u679c\u548c\u4ee3\u7801\u3002<\/p>\n
    \u5229\u7528 rem \u5e03\u5c40<\/strong><\/p>\n
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    \u80fd\u89e3\u51b3 DPR \u5f15\u8d77\u7684\u201c1\u50cf\u7d20\u201d\u95ee\u9898\u3002<\/p>\n
    \u5411\u540e\u517c\u5bb9\u8f83\u597d\uff0c\u5373\u4fbf\u5c4f\u5e55\u5bbd\u5ea6\u589e\u52a0\u3001PPI \u589e\u52a0\u8be5\u65b9\u6848\u4f9d\u65e7\u9002\u7528\u3002<\/p>\n
    \u7f3a\u70b9\uff1a<\/strong><\/p>\n
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    \n \n \n \n 
      \n  \n  \n  \n  
    1. var fixScreen = function() { <\/span><\/span><\/li>\n  \n  \n  \n  
    2. var metaEl = doc.querySelector('meta[name=\"viewport\"]'<\/span>), <\/span><\/span><\/li>\n  \n  \n  \n  
    3. metaCtt = metaEl ? metaEl.content : ''<\/span>, <\/span><\/span><\/li>\n  \n  \n  \n  
    4. matchScale = metaCtt.match(\/initial\\-scale=([\\d\\.]+)\/), <\/span><\/li>\n  \n  \n  \n  
    5. matchWidth = metaCtt.match(\/width=([^,\\s]+)\/); <\/span><\/li>\n  \n  \n  \n  
    6. if<\/span> ( !metaEl ) { <\/span>\/\/ REM<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
    7. var docEl = doc.documentElement, <\/span><\/li>\n  \n  \n  \n  
    8. maxwidth = docEl.dataset.mw || 750<\/span>, <\/span>\/\/ \u6bcf dpr ***\u9875\u9762\u5bbd\u5ea6<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
    9. dpr = isIos ? Math.min(win.devicePixelRatio, 3<\/span>) : <\/span>1<\/span>, <\/span><\/span><\/li>\n  \n  \n  \n  
    10. scale = 1<\/span> \/ dpr, <\/span><\/span><\/li>\n  \n  \n  \n  
    11. tid; <\/span><\/li>\n  \n  \n  \n  
    12. docEl.removeAttribute('data-mw'<\/span>); <\/span><\/span><\/li>\n  \n  \n  \n  
    13. docEl.dataset.dpr = dpr; <\/span><\/li>\n  \n  \n  \n  
    14. metaEl = doc.createElement('meta'<\/span>); <\/span><\/span><\/li>\n  \n  \n  \n  
    15. metaEl.name = 'viewport'<\/span>; <\/span><\/span><\/li>\n  \n  \n  \n  
    16. metaEl.content = fillScale(scale); <\/span><\/li>\n  \n  \n  \n  
    17. docEl.firstElementChild.appendChild(metaEl); <\/span><\/li>\n  \n  \n  \n  
    18. var refreshRem = function() { <\/span><\/li>\n  \n  \n  \n  
    19. var width = docEl.getBoundingClientRect().width; <\/span><\/li>\n  \n  \n  \n  
    20. if<\/span> (width \/ dpr > maxwidth) { <\/span><\/span><\/li>\n  \n  \n  \n  
    21. width = maxwidth * dpr; <\/span><\/li>\n  \n  \n  \n  
    22. } <\/span><\/li>\n  \n  \n  \n  
    23. var rem = width \/ 16<\/span>; <\/span><\/span><\/li>\n  \n  \n  \n  
    24. docEl.style.fontSize = rem + 'px'<\/span>; <\/span><\/span><\/li>\n  \n  \n  \n  
    25. }; <\/span><\/li>\n  \n  \n  \n  
    26. \/\/...<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
    27. refreshRem(); <\/span><\/li>\n  \n  \n  \n  
    28. } <\/span><\/li>\n  \n  \n  \n  
    29. } <\/span><\/li>\n \n \n \n <\/ol><\/pre>\n
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      \u603b\u7ed3<\/strong><\/p>\n
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