[Home](./index.md) > [com-tools](./com-tools.md) > [pathString](./com-tools.pathstring.md) ## pathString() function 将路径数组转成路径字符串 **Signature:** ```typescript export declare function pathString(path: (string | number | null | undefined)[], separator?: string | null, placeholder?: string | null): string; ``` ## Parameters

Parameter	Type	Description
path	(string \| number \| null \| undefined)\[\]	路径数组
separator	string \| null	_(Optional)_ 分隔符，默认是 "/"
placeholder	string \| null	_(Optional)_ 占位符，默认是 "-"

**Returns:** string ## Remarks 会自动将数组尾部的空值给移除，中间的空值转为占位符 placeholder