我想为函数中常用的语句构建一个通用类。
如果我在函数中使用这个关键字，我会得到错误。
import {Component} from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
export class CommonFunctions {
constructor(private sanitizer: DomSanitizer){
}
static sum(a: number, b: number): number {
return a + b;
}
static formatImage(projectList:any):any {
for (var index in projectList) {
let images = projectList[index].img;
let objectURL = 'data:image/jpeg;base64,' + images;
//error in this line
let thumbnail1 = this.bypassSecurityTrustUrl(objectURL);
projectList[index].img = thumbnail1;
}
return projectList;
}
}