mode_edit codeAPI / @angular/httpQueryEncoderlinkclass 已弃用弃用说明linksee https://angular.io/guide/httpclass QueryEncoder { encodeKey(k: string): string encodeValue(v: string): string }方法linkencodeKey() linkmode_edit codeencodeKey(k: string): string参数kType: string.返回值stringencodeValue() linkmode_edit codeencodeValue(v: string): string参数vType: string.返回值string