With the exception that one of the listeners converts the input string to uppercase, the code for the listeners is exactly the same.

除了一个监听器将输入字符串转换成大写字母之外，监听器的代码完全相同。

youdao

This is a system property, which defines the client input code set for parsing the input values.

这是一个系统属性，它定义用于分析输入值的客户机输入代码集。

youdao

It is used when the charset attribute is not explicitly specified in the HTTP request and the input code set cannot be determined by examining the encoding.properties.

当在HTTp请求中没有显式指定字符集属性，并且无法通过检查encoding . properties确定输入代码集时，请使用这个属性。

youdao

I'm much better having an exception get handled at the time of input than to let that prop -- that value rather propagate through a whole bunch of code until eventually it hits an error 17 calls later, and you have no clue where it came from.

不是我期望的格式,这时我最好有一个异常处理,而不是让其传下去,这个值传到代码的整个分支,最终会导致一个错误17调用的发生，并且你不知道这个错误是哪里来的。

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