Baseline Widely available
夿³¨ï¼ æ¤ç¹æ§å¨ Web Worker ä¸å¯ç¨ã
set()
æ¹æ³ä¼å¯¹ FormData
对象éçæä¸ª key
设置ä¸ä¸ªæ°çå¼ï¼å¦æè¯¥ key
ä¸åå¨ï¼åæ·»å ã
set()
å FormData.append
ä¸åä¹å¤å¨äºï¼å¦ææä¸ª key å·²ç»åå¨ï¼set()
ä¼ç´æ¥è¦çææè¯¥ key 对åºçå¼ï¼è FormData.append
忝å¨è¯¥ key çæåä½ç½®å追å ä¸ä¸ªå¼ã
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formData.set(name, value);
formData.set(name, value, filename);
åæ°
name
åæ®µåç§°ã
value
åæ®µçå¼ï¼è¯¥å¼å¯ä»¥æ¯ä¸ä¸ª USVString
æ Blob
ï¼å
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¶å°è¢«è½¬æä¸ä¸ªå符串ã
filename
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ï¼æè
file 对象ï¼File
ï¼ï¼filename åæ°å°±ä»£è¡¨ä¼ ç»æå¡ç«¯çæä»¶åï¼ä¸ä¸ª USVString
ï¼ã Blob
对象çé»è®¤æä»¶åæ¯ "blob"ï¼File
对象çé»è®¤æä»¶åå为å
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夿³¨ï¼ 妿坹 FormData 对象æå
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ï¼ï¼é£ä¹åéç»æå¡å¨ç请æ±å¤´é¨ï¼headerï¼éçâContent-Dispositionâéçæä»¶åç§°å°ä¼æ ¹æ®æµè§å¨çä¸åèä¸åã
å
å建ä¸ä¸ªç©ºç FormData
对象ï¼
var formData = new FormData(); // Currently empty
ä½¿ç¨ FormData.set
设置é®/å¼ï¼
formData.set("username", "Chris");
formData.set("userpic", myFileInput.files[0], "chris.jpg");
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