HttpParams 类

  1. export declare class HttpParams {
  2.     constructor(options?: HttpParamsOptions);
  3.     has(param: string): boolean;
  4.     get(param: string): string | null;
  5.     getAll(param: string): string[] | null;
  6.     keys(): string[];
  7.     append(param: string, value: string): HttpParams;
  8.     set(param: string, value: string): HttpParams;
  9.     delete(param: string, value?: string): HttpParams;
  10.     toString(): string;
  11. }

HttpParamsOptions 接口

  1. declare interface HttpParamsOptions {
  2.     fromString?: string;
  3.     fromObject?: {
  4.         [param: string]: string | ReadonlyArray<string>;
  5.     };
  6.     encoder?: HttpParameterCodec;
  7. }

使用示例

  1. import { HttpParams } from '@angular/common/http';
  3. let params = new HttpParams({ fromObject: {name: "zhangsan", age: "20"}})
  4. params = params.append("sex", "male")
  6. let params = new HttpParams({
  7.     fromObject: { name: 'zhangsan', age: '20' },
  8. })
  9. // 或者
  10. let params = new HttpParams({ fromString: "name=zhangsan&age=20"})