HTML Input ÊôÐÔ

value ÊôÐÔ

value ÊôÐԹ涨ÊäÈë×ֶεijõʼֵ£º

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<form action="">
 First name:<br>
<input type="text" name="firstname" value="John">
<br>
 Last name:<br>
<input type="text" name="lastname">
</form> 

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readonly ÊôÐÔ

readonly ÊôÐԹ涨ÊäÈë×Ö¶ÎΪֻ¶Á£¨²»ÄÜÐ޸ģ©£º

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<form action="">
 First name:<br>
<input type="text" name="firstname" value="John" readonly>
<br>
 Last name:<br>
<input type="text" name="lastname">
</form> 

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readonly ÊôÐÔ²»ÐèÒªÖµ¡£ËüµÈͬÓÚ readonly="readonly"¡£

disabled ÊôÐÔ

disabled ÊôÐԹ涨ÊäÈë×Ö¶ÎÊǽûÓõġ£

±»½ûÓõÄÔªËØÊDz»¿ÉÓúͲ»¿Éµã»÷µÄ¡£

±»½ûÓõÄÔªËØ²»»á±»Ìá½»¡£

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<form action="">
 First name:<br>
<input type="text" name="firstname" value="John" disabled>
<br>
 Last name:<br>
<input type="text" name="lastname">
</form> 

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disabled ÊôÐÔ²»ÐèÒªÖµ¡£ËüµÈͬÓÚ disabled="disabled"¡£

size ÊôÐÔ

size ÊôÐԹ涨ÊäÈë×ֶεijߴ磨ÒÔ×Ö·û¼Æ£©£º

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<form action="">
 First name:<br>
<input type="text" name="firstname" value="John" size="40">
<br>
 Last name:<br>
<input type="text" name="lastname">
</form> 

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maxlength ÊôÐÔ

maxlength ÊôÐԹ涨ÊäÈë×Ö¶ÎÔÊÐíµÄ×î´ó³¤¶È£º

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<form action="">
 First name:<br>
<input type="text" name="firstname" maxlength="10">
<br>
 Last name:<br>
<input type="text" name="lastname">
</form> 

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ÈçÉèÖà maxlength ÊôÐÔ£¬ÔòÊäÈë¿Ø¼þ²»»á½ÓÊܳ¬¹ýËùÔÊÐíÊýµÄ×Ö·û¡£

¸ÃÊôÐÔ²»»áÌṩÈκη´À¡¡£Èç¹ûÐèÒªÌáÐÑÓû§£¬Ôò±ØÐë±àд JavaScript ´úÂë¡£

×¢ÊÍ£ºÊäÈëÏÞÖÆ²¢·ÇÍòÎÞһʧ¡£JavaScript ÌṩÁ˺ܶ෽·¨À´Ôö¼Ó·Ç·¨ÊäÈë¡£ÈçÐ谲ȫµØÏÞÖÆÊäÈ룬Ôò½ÓÊÜÕߣ¨·þÎñÆ÷£©±ØÐëͬʱ¶ÔÏÞÖÆ½øÐмì²é¡£

HTML5 ÊôÐÔ

HTML5 Ϊ <input> Ôö¼ÓÁËÈçÏÂÊôÐÔ£º

  • autocomplete
  • autofocus
  • form
  • formaction
  • formenctype
  • formmethod
  • formnovalidate
  • formtarget
  • height ºÍ width
  • list
  • min ºÍ max
  • multiple
  • pattern (regexp)
  • placeholder
  • required
  • step

²¢Îª <form> Ôö¼ÓÈçÐèÊôÐÔ£º

  • autocomplete
  • novalidate

autocomplete ÊôÐÔ

autocomplete ÊôÐԹ涨±íµ¥»òÊäÈë×Ö¶ÎÊÇ·ñÓ¦¸Ã×Ô¶¯Íê³É¡£

µ±×Ô¶¯Íê³É¿ªÆô£¬ä¯ÀÀÆ÷»á»ùÓÚÓû§Ö®Ç°µÄÊäÈëÖµ×Ô¶¯Ìîдֵ¡£

Ìáʾ£ºÄú¿ÉÒÔ°Ñ±íµ¥µÄ autocomplete ÉèÖÃΪ on£¬Í¬Ê±°ÑÌØ¶¨µÄÊäÈë×Ö¶ÎÉèÖÃΪ off£¬·´Ö®ÒàÈ»¡£

autocomplete ÊôÐÔÊÊÓÃÓÚ <form> ÒÔ¼°ÈçÏ <input> ÀàÐÍ£ºtext¡¢search¡¢url¡¢tel¡¢email¡¢password¡¢datepickers¡¢range ÒÔ¼° color¡£

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×Ô¶¯Íê³É¿ªÆôµÄ HTML ±íµ¥£¨Ä³¸öÊäÈë×Ö¶ÎΪ off£©£º

<form action="action_page.php" autocomplete="on">
   First name:<input type="text" name="fname"><br>
   Last name: <input type="text" name="lname"><br>
   E-mail: <input type="email" name="email" autocomplete="off"><br>
   <input type="submit">
</form> 

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Ìáʾ£ºÔÚijЩä¯ÀÀÆ÷ÖУ¬ÄúÒ²ÐíÐèÒªÊÖ¶¯ÆôÓÃ×Ô¶¯Íê³É¹¦ÄÜ¡£

novalidate ÊôÐÔ

novalidate ÊôÐÔÊôÓÚ <form> ÊôÐÔ¡£

Èç¹ûÉèÖã¬Ôò novalidate ¹æ¶¨ÔÚÌá½»±íµ¥Ê±²»¶Ô±íµ¥Êý¾Ý½øÐÐÑéÖ¤¡£

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ָʾ±íµ¥ÔÚ±»Ìύʱ²»½øÐÐÑéÖ¤£º

<form action="action_page.php" novalidate>
   E-mail: <input type="email" name="user_email">
   <input type="submit">
</form> 

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autofocus ÊôÐÔ

autofocus ÊôÐÔÊDz¼¶ûÊôÐÔ¡£

Èç¹ûÉèÖã¬Ôò¹æ¶¨µ±Ò³Ãæ¼ÓÔØÊ± <input> ÔªËØÓ¦¸Ã×Ô¶¯»ñµÃ½¹µã¡£

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ʹ "First name" ÊäÈë×Ö¶ÎÔÚÒ³Ãæ¼ÓÔØÊ±×Ô¶¯»ñµÃ½¹µã£º

First name:<input type="text" name="fname" autofocus>

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form ÊôÐÔ

form ÊôÐԹ涨 <input> ÔªËØËùÊôµÄÒ»¸ö»ò¶à¸ö±íµ¥¡£

Ìáʾ£ºÈçÐèÒýÓÃÒ»¸öÒÔÉÏµÄ±íµ¥£¬ÇëʹÓÿոñ·Ö¸ôµÄ±íµ¥ id ÁÐ±í¡£

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ÊäÈë×Ö¶ÎλÓÚ HTML ±íµ¥Ö®Í⣨µ«ÈÔÊô±íµ¥£©£º

<form action="action_page.php" id="form1">
   First name: <input type="text" name="fname"><br>
   <input type="submit" value="Submit">
</form>

 Last name: <input type="text" name="lname" form="form1">

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formaction ÊôÐÔ

formaction ÊôÐԹ涨µ±Ìá½»±íµ¥Ê±´¦Àí¸ÃÊäÈë¿Ø¼þµÄÎļþµÄ URL¡£

formaction ÊôÐÔ¸²¸Ç <form> ÔªËØµÄ action ÊôÐÔ¡£

formaction ÊôÐÔÊÊÓÃÓÚ type="submit" ÒÔ¼° type="image"¡£

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ÓµÓÐÁ½¸öÁ½¸öÌá½»°´Å¥²¢¶ÔÓÚ²»Í¬¶¯×÷µÄ HTML ±íµ¥£º

<form action="action_page.php">
   First name: <input type="text" name="fname"><br>
   Last name: <input type="text" name="lname"><br>
   <input type="submit" value="Submit"><br>
   <input type="submit" formaction="demo_admin.asp"
   value="Submit as admin">
</form> 

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formenctype ÊôÐÔ

formenctype ÊôÐԹ涨µ±°Ñ±íµ¥Êý¾Ý£¨form-data£©Ìá½»ÖÁ·þÎñÆ÷ʱÈçºÎ¶ÔÆä½øÐбàÂ루½öÕë¶Ô method="post" µÄ±íµ¥£©¡£

formenctype ÊôÐÔ¸²¸Ç <form> ÔªËØµÄ enctype ÊôÐÔ¡£

formenctype ÊôÐÔÊÊÓÃÓÚ type="submit" ÒÔ¼° type="image"¡£

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·¢ËÍĬÈϱàÂëÒÔ¼°±àÂëΪ "multipart/form-data"£¨µÚ¶þ¸öÌá½»°´Å¥£©µÄ±íµ¥Êý¾Ý£¨form-data£©£º

<form action="demo_post_enctype.asp" method="post">
   First name: <input type="text" name="fname"><br>
   <input type="submit" value="Submit">
   <input type="submit" formenctype="multipart/form-data"
   value="Submit as Multipart/form-data">
</form> 

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formmethod ÊôÐÔ

formmethod ÊôÐÔ¶¨ÒåÓÃÒÔÏò action URL ·¢ËÍ±íµ¥Êý¾Ý£¨form-data£©µÄ HTTP ·½·¨¡£

formmethod ÊôÐÔ¸²¸Ç <form> ÔªËØµÄ method ÊôÐÔ¡£

formmethod ÊôÐÔÊÊÓÃÓÚ type="submit" ÒÔ¼° type="image"¡£

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µÚ¶þ¸öÌá½»°´Å¥¸²¸Ç±íµ¥µÄ HTTP ·½·¨£º

<form action="action_page.php" method="get">
   First name: <input type="text" name="fname"><br>
   Last name: <input type="text" name="lname"><br>
   <input type="submit" value="Submit">
   <input type="submit" formmethod="post" formaction="demo_post.asp"
   value="Submit using POST">
</form> 

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formnovalidate ÊôÐÔ

novalidate ÊôÐÔÊDz¼¶ûÊôÐÔ¡£

Èç¹ûÉèÖã¬Ôò¹æ¶¨ÔÚÌá½»±íµ¥Ê±²»¶Ô <input> ÔªËØ½øÐÐÑéÖ¤¡£

formnovalidate ÊôÐÔ¸²¸Ç <form> ÔªËØµÄ novalidate ÊôÐÔ¡£

formnovalidate ÊôÐÔ¿ÉÓÃÓÚ type="submit"¡£

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ÓµÓÐÁ½¸öÌá½»°´Å¥µÄ±íµ¥£¨ÑéÖ¤ºÍ²»ÑéÖ¤£©£º

<form action="action_page.php">
   E-mail: <input type="email" name="userid"><br>
   <input type="submit" value="Submit"><br>
   <input type="submit" formnovalidate value="Submit without validation">
</form> 

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formtarget ÊôÐÔ

formtarget ÊôÐԹ涨µÄÃû³Æ»ò¹Ø¼ü´ÊָʾÌá½»±íµ¥ºóÔںδ¦ÏÔʾ½ÓÊÕµ½µÄÏìÓ¦¡£

formtarget ÊôÐԻḲ¸Ç <form> ÔªËØµÄ target ÊôÐÔ¡£

formtarget ÊôÐÔ¿ÉÓë type="submit" ºÍ type="image" ʹÓá£

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Õâ¸ö±íµ¥ÓÐÁ½¸öÌá½»°´Å¥£¬¶ÔÓ¦²»Í¬µÄÄ¿±ê´°¿Ú£º

<form action="action_page.php">
   First name: <input type="text" name="fname"><br>
   Last name: <input type="text" name="lname"><br>
   <input type="submit" value="Submit as normal">
   <input type="submit" formtarget="_blank"
   value="Submit to a new window">
</form> 

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height ºÍ width ÊôÐÔ

height ºÍ width ÊôÐԹ涨 <input> ÔªËØµÄ¸ß¶ÈºÍ¿í¶È¡£

height ºÍ width ÊôÐÔ½öÓÃÓÚ <input type="image">¡£

×¢ÊÍ£ºÇëʼÖչ涨ͼÏñµÄ³ß´ç¡£Èç¹ûä¯ÀÀÆ÷²»Çå³þͼÏñ³ß´ç£¬ÔòÒ³Ãæ»áÔÚͼÏñ¼ÓÔØÊ±ÉÁ˸¡£

ʵÀý

°ÑͼÏñ¶¨ÒåΪÌá½»°´Å¥£¬²¢ÉèÖà height ºÍ width ÊôÐÔ£º

<input type="image" src="img_submit.gif" alt="Submit" width="48" height="48">

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list ÊôÐÔ

list ÊôÐÔÒýÓÃµÄ <datalist> ÔªËØÖаüº¬ÁË <input> ÔªËØµÄÔ¤¶¨ÒåÑ¡Ïî¡£

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ʹÓà <datalist> ÉèÖÃÔ¤¶¨ÒåÖµµÄ <input> ÔªËØ£º

<input list="browsers">

<datalist id="browsers">
   <option value="Internet Explorer">
   <option value="Firefox">
   <option value="Chrome">
   <option value="Opera">
   <option value="Safari">
</datalist> 

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min ºÍ max ÊôÐÔ

min ºÍ max ÊôÐԹ涨 <input> ÔªËØµÄ×îСֵºÍ×î´óÖµ¡£

min ºÍ max ÊôÐÔÊÊÓÃÓÚÈçÐèÊäÈëÀàÐÍ£ºnumber¡¢range¡¢date¡¢datetime¡¢datetime-local¡¢month¡¢time ÒÔ¼° week¡£

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¾ßÓÐ×îСºÍ×î´óÖµµÄ <input> ÔªËØ£º

Enter a date before 1980-01-01:
<input type="date" name="bday" max="1979-12-31">

 Enter a date after 2000-01-01:
<input type="date" name="bday" min="2000-01-02">

 Quantity (between 1 and 5):
<input type="number" name="quantity" min="1" max="5">

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multiple ÊôÐÔ

multiple ÊôÐÔÊDz¼¶ûÊôÐÔ¡£

Èç¹ûÉèÖã¬Ôò¹æ¶¨ÔÊÐíÓû§ÔÚ <input> ÔªËØÖÐÊäÈëÒ»¸öÒÔÉϵÄÖµ¡£

multiple ÊôÐÔÊÊÓÃÓÚÒÔÏÂÊäÈëÀàÐÍ£ºemail ºÍ file¡£

ʵÀý

½ÓÊܶà¸öÖµµÄÎļþÉÏ´«×ֶΣº

Select images: <input type="file" name="img" multiple>

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pattern ÊôÐÔ

pattern ÊôÐԹ涨ÓÃÓÚ¼ì²é <input> ÔªËØÖµµÄÕýÔò±í´ïʽ¡£

pattern ÊôÐÔÊÊÓÃÓÚÒÔÏÂÊäÈëÀàÐÍ£ºtext¡¢search¡¢url¡¢tel¡¢email¡¢and password¡£

Ìáʾ£ºÇëʹÓÃÈ«¾ÖµÄ title ÊôÐÔ¶Ôģʽ½øÐÐÃèÊöÒÔ°ïÖúÓû§¡£

Ìáʾ£ºÇëÔÚÎÒÃÇµÄ JavaScript ½Ì³ÌÖÐѧϰ¸ü¶àÓйØÕýÔò±í´ïʽµÄ֪ʶ¡£

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Ö»Äܰüº¬Èý¸ö×ÖĸµÄÊäÈë×ֶΣ¨ÎÞÊý×Ö»òÌØÊâ×Ö·û£©£º

Country code: 
<input type="text" name="country_code" pattern="[A-Za-z]{3}" title="Three letter country code">

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placeholder ÊôÐÔ

placeholder ÊôÐԹ涨ÓÃÒÔÃèÊöÊäÈë×Ö¶ÎÔ¤ÆÚÖµµÄÌáʾ£¨Ñù±¾Öµ»òÓйظñʽµÄ¼ò¶ÌÃèÊö£©¡£

¸ÃÌáʾ»áÔÚÓû§ÊäÈëֵ֮ǰÏÔʾÔÚÊäÈë×Ö¶ÎÖС£

placeholder ÊôÐÔÊÊÓÃÓÚÒÔÏÂÊäÈëÀàÐÍ£ºtext¡¢search¡¢url¡¢tel¡¢email ÒÔ¼° password¡£

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ÓµÓÐռλ·ûÎı¾µÄÊäÈë×ֶΣº

<input type="text" name="fname" placeholder="First name">

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required ÊôÐÔ

required ÊôÐÔÊDz¼¶ûÊôÐÔ¡£

Èç¹ûÉèÖã¬Ôò¹æ¶¨ÔÚÌá½»±íµ¥Ö®Ç°±ØÐëÌîдÊäÈë×ֶΡ£

required ÊôÐÔÊÊÓÃÓÚÒÔÏÂÊäÈëÀàÐÍ£ºtext¡¢search¡¢url¡¢tel¡¢email¡¢password¡¢date pickers¡¢number¡¢checkbox¡¢radio¡¢and file.

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±ØÌîµÄÊäÈë×ֶΣº

Username: <input type="text" name="usrname" required>

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step ÊôÐÔ

step ÊôÐԹ涨 <input> ÔªËØµÄºÏ·¨Êý×Ö¼ä¸ô¡£

ʾÀý£ºÈç¹û step="3"£¬ÔòºÏ·¨Êý×ÖÓ¦¸ÃÊÇ -3¡¢0¡¢3¡¢6¡¢µÈµÈ¡£

Ìáʾ£ºstep ÊôÐÔ¿ÉÓë max ÒÔ¼° min ÊôÐÔһͬʹÓã¬À´´´½¨ºÏ·¨ÖµµÄ·¶Î§¡£

step ÊôÐÔÊÊÓÃÓÚÒÔÏÂÊäÈëÀàÐÍ£ºnumber¡¢range¡¢date¡¢datetime¡¢datetime-local¡¢month¡¢time ÒÔ¼° week¡£

ʾÀý

ÓµÓоßÌåµÄºÏ·¨Êý×Ö¼ä¸ôµÄÊäÈë×ֶΣº

<input type="number" name="points" step="3">

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