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按钮、下拉列表、文本域、表单域分组属性

鹏建
鹏建原创
2020年04月05日 19:54:25534浏览
  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8" />
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  6. <title>Document</title>
  7. <style>
  8. button {
  9. background-color: brown;
  10. color: aqua;
  11. }
  12. button:hover {
  13. color: yellow;
  14. }
  15. legend {
  16. color: rgb(170, 19, 19);
  17. font-size: 20px;
  18. text-align: center;
  19. }
  20. </style>
  21. </head>
  22. <body>
  23. <form action="" id="register">
  24. <section>
  25. <label for="userpic">头像</label>
  26. <input type="file" name="user_pic" id="userpic" />
  27. </section>
  28. <section>
  29. <input type="hidden" name="MAX_FILE_SIZE" value="38008" />
  30. </section>
  31. <section>
  32. <label for="course">课程</label>
  33. <input type="text" name="course" list="courses" />
  34. <datalist id="courses">
  35. <option value="html/css开发与实践"></option>
  36. <option value="js开发与实践"></option>
  37. <option value="php开发与实践"></option>
  38. <option value="larave开发与实践"></option>
  39. </datalist>
  40. </section>
  41. <section>
  42. <input type="image" name="submit" src="play.jpg" width="100" />
  43. </section>
  44. </form>
  45. <hr />
  46. <fieldset>
  47. <legend>选填信息</legend>
  48. <section>
  49. <label for="email">邮箱:</label>
  50. <input type="email" name="email" id="email" form="register" />
  51. </section>
  52. <section>
  53. <label for="age">年龄:</label>
  54. <input
  55. type="nubmer"
  56. name="age"
  57. id="age"
  58. min="18"
  59. max="50"
  60. step="2"
  61. form="register"
  62. />
  63. </section>
  64. </fieldset>
  65. <button formaction="login.php" formmethod="POST" formtarget="blank">
  66. 登录
  67. </button>
  68. <button formaction="register.php" formmethod="get" formtarget="self">
  69. 注册
  70. </button>
  71. <hr />
  72. <form action="">
  73. <select
  74. name="course"
  75. id="course"
  76. size="4"
  77. multiple
  78. onchange="alert(this.value)"
  79. onclick="alert(k考虑好了吗?)"
  80. >
  81. <optgroup label="前端">
  82. <option value="html">html</option>
  83. <option value="css">css</option>
  84. <option value="js" selected>js</option>
  85. </optgroup>
  86. <optgroup label="后端">
  87. <option value="php">php</option>
  88. <option value="larave">larave</option>
  89. <option value=""></option>
  90. </optgroup>
  91. </select>
  92. 留言板:<textarea
  93. name="replay"
  94. cols="30"
  95. rows="10"
  96. minlength="25"
  97. maxlength="50"
  98. placeholder="请留言"
  99. >
  100. </textarea>
  101. <button type="submit">提交</button>
  102. </form>
  103. </body>
  104. </html>
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