从路径得到字符串
//path: AsRef
let string1 = String::from(path.as_ref().to_str().unwrap_or("The path had some error.")));
//or let s=path.as_ref().display().to_string();
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从路径得到字符串
//path: AsRef
let string1 = String::from(path.as_ref().to_str().unwrap_or("The path had some error.")));
//or let s=path.as_ref().display().to_string();
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