一个最简单的c++的cout语句的win32控制台应用程序，我让输出1.234567，怎么结果运行结果是1.23457？ VS2013中如何实现一个C语言printf程序(Win32...
c++\u5982\u4f55\u5728win32\u63a7\u5236\u53f0\u8f93\u51fawchar_t\u5bbd\u5b57\u7b26\u6c49\u5b57\uff0c\u8f93\u51fa\u6c49\u5b57\uff01\uff01\u6211\u8f93\u51fa\u7684\u600e\u4e48\u662f\u6570\u5b57\uff01\u6025\uff01\uff01\u7a0b\u5e8f\u5982\u4e0b#include
using namespace std;
int main()
{
locale loc( "chs" ); // \u5b9a\u4e49\u201c\u533a\u57df\u8bbe\u7f6e\u201d\u4e3a\u4e2d\u6587\u65b9\u5f0f
wcout.imbue( loc ); // \u8f7d\u5165\u4e2d\u6587\u5b57\u7b26\u8f93\u5165\u65b9\u5f0f
wchar_t * str = L"\u6700\u597d\u7684\u4e16\u754c\u662f\u6c38\u8fdc\u8fdb\u4e0d\u53bb\u7684\u4e16\u754c\u3002"; // \u5b9a\u4e49\u5bbd\u5b57\u7b26\u6570\u7ec4\uff0c\u6ce8\u610f L \u662f\u5927\u5199
wcout << str << endl; // \u663e\u793a\u5bbd\u5b57\u7b26\u6570\u7ec4\uff0c\u4e0b\u540c
}
\u65b0\u5efa-\u9879\u76ee-[\u6a21\u677f]Visual C++-Win32\u63a7\u5236\u53f0\u7a0b\u5e8f-\u4e0b\u4e00\u6b65-\u5b8c\u6210 \u65b0\u5efa-\u6587\u4ef6\u5373\u53ef
\u4e0d\u8fc7\u73b0\u5728VS\u53ea\u652f\u6301.cpp\u4e86
\u5efa\u8bae\u4f60\u6362\u4e00\u4e2a\u5c0f\u70b9\u7684\u7f16\u8bd1\u5668
\u63a8\u8350C-FREE \u548c VC6.0 \u6211\u5c31\u662f\u7528\u7684\u8fd9\u4e2a \u5f88\u597d\u7528
\u662f\u5426\u53ef\u4ee5\u89e3\u51b3\u60a8\u7684\u95ee\u9898\uff1f
\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u5230\u4f60\uff0c\u671b\u91c7\u7eb3\uff01
可以通过iomanip中的setprecision（n）来控制精度
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