如何使IE在UTF-8中发布FORM数据？ [英] How to make IE post FORM data in UTF-8?

问题描述

这是以下问题的延续： Java泽西：接收表单参数作为字节数组

即使包含页面使用ISO-8859-1字符集，我需要将表单数据发布在UTF-8中。我找到一个FF的解决方案，但不是为IE。
这是整个故事：

我使用Jersey REST Web服务来接收从简单的html< FORM>发布的数据。
当页面使用UTF-8字符集时，发布的数据也使用UTF-8进行编码，一切正常。
但是当页面使用ISO-8859-1字符集时，FORM数据也使用ISO-8859-1发布，泽西有特殊字符的麻烦（可能是因为它预期数据进入UTF-8）。

  @Path（/ someMethod ）
 @POST 
 @Produces（MediaType.TEXT_HTML）
 @Consumes（MediaType.APPLICATION_FORM_URLENCODED）
 public String someMethod（@FormParam（someParam）String someParam）
 {
 ... 
} 
  

当然如果我改变整个页面编码为UTF-8，一切正常，问题是我将表单动态添加到可能使用不同编码的现有页面（在其他工作中，我无法篡改页面编码）。

我有解决方案适用于FF但不适用于IE。如果我向发送数据的FORM添加了 accept-charset =utf-8属性，则FF使用utf-8对所有发布的数据进行正确编码，而不管包含页面编码，但是这在IE中不起作用。

任何想法？
谢谢！

解决方案

Ruby on rails应用程序使用这个技巧：它们在隐藏的字段中添加了一个UTF-8不能强制进入ISO拉丁语1的字符。

他们使用的字段是

 < input name =utf8type =hiddenvalue =&＃x2713; /> 
  

，最终在查询参数中为

  search？param1 = foo& param2 = bar& utf8 =✓
  

历史记录：在 utf8 =✓之前，Ruby on rails使用了一个花哨的雪人强制UTF-8： http://intertwingly.net/blog/2010/07/29/Rails-and-Snowmen 。

This is continuation of this question: Java Jersey: Receive form parameter as byte array

I need form data to be posted in UTF-8 even if containing page uses ISO-8859-1 charset. I found a solution for FF, but not for IE. Here is the whole story:

I use Jersey REST web service to receive data posted from simple html <FORM>. When the page uses UTF-8 charset, posted data is also encoded using UTF-8 and everything works fine. But when the page uses ISO-8859-1 charset, FORM data is also posted using ISO-8859-1 and Jersey has trouble with special characters (probably because it expects data to come in UTF-8).

Jersey method looks like this:

@Path("/someMethod")
@POST
@Produces(MediaType.TEXT_HTML)
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
public String someMethod(@FormParam("someParam") String someParam)
{
    ...
}

Of course if I change the whole page encoding to UTF-8, everything works fine, the problem is that I add form dynamically to existing pages that may use different encoding (in other works I can't tamper with page encoding).

I have solution that works for FF but not for IE. If I add accept-charset="utf-8" attribute to FORM that posts the data, FF correctly encodes all posted data using utf-8 regardless of containing page encoding, but this doesn't work in IE.

Any ideas? Thank you!

解决方案

Ruby on rails applications use this trick: they add in an hidden field an UTF-8 character that cannot be coerced into ISO Latin 1.

The field they use is

<input name="utf8" type="hidden" value="&#x2713;" />

and it ends up in the query parameters as

search?param1=foo&param2=bar&utf8=✓

History note: before utf8=✓, Ruby on rails used a fancy snowman to force UTF-8: http://intertwingly.net/blog/2010/07/29/Rails-and-Snowmen.

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