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  1. <%@ page language="java" contentType="text/html; charset=UTF-8"
  2.     pageEncoding="UTF-8"%>
  3.  
  4. <%
  5. String encode = "UTF-8";
  6. request.setCharacterEncoding(encode);
  7.  
  8. String sSubmit000 = request.getParameter("Submit000");
  9. String[] a1sCheckName = { "Check000", "Check001", "Check002" };
  10. String[] a1sCheckHTML = new String[a1sCheckName.length];
  11. String[] a1sCheck = new String[a1sCheckName.length];
  12. for (int i = 0; i < a1sCheckName.length; i++) {
  13.   a1sCheck[i] = "";
  14. }
  15.  
  16. // if(sSubmit000!=null&&!"".equals(sSubmit000))
  17. if (sSubmit000 != null) {
  18.   System.out.printf("sSubmit000: %s%n", sSubmit000);
  19.   System.out.printf("a1sCheck.length: %d%n", a1sCheck.length);
  20.   for (int i = 0; i < a1sCheckName.length; i++) {
  21.     String p = request.getParameter(a1sCheckName[i]);
  22.     a1sCheckHTML[i] = "";
  23.     if (p != null && !"".equals(p)) {
  24.       a1sCheckHTML[i] = "";
  25.     } else {
  26.       a1sCheckHTML[i] = "checked";
  27.     }
  28.     System.out.print(a1sCheckHTML[i] + ",");
  29.   }
  30.   System.out.println();
  31. }
  32. %>
  33.  
  34. <!DOCTYPE html>
  35. <html>
  36. <head>
  37. <meta charset="UTF-8">
  38. <title>Title</title>
  39. </head>
  40. <body>
  41.   <form method="post">
  42.   <!-- method="get"だとパラメータ･サイズに厳しい制限があるので要注意 -->
  43.     <input type="checkbox" name="Check000" <%=a1sCheckHTML[0]%>>
  44.     <input type="checkbox" name="Check001" <%=a1sCheckHTML[1]%>>
  45.     <input type="checkbox" name="Check002" <%=a1sCheckHTML[2]%>>
  46.     <br>
  47.     <input type="submit" value="Submit" name="Submit000">
  48.    <br>
  49.   </form>
  50. </body>
  51. </html>
  52.  
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https://ideone.com/8Ibuur
language:
Text (text 6.10)
created:
2 years ago
visibility:
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