【问题标题】:data storage variable how to fix it数据存储变量如何修复
【发布时间】:2020-05-08 20:03:01
【问题描述】:

我有本地存储session_storage,我如何从session_storage 给变量digidogovor

loadCustomer(){
  return new Promise(resolve => {
      this.storage.get('session_storage').then((res)=>{
      this.anggotae = res;
      this.dogovor = this.anggotae.dogovor;
      this.digi = this.dogovor;
      console.log(this.digi);
    });
    let body = {
      aksi : 'getdata',
      limit : this.limit,
      start : this.start,
      dogovor: this.digi,
    };

    this.postPvdr.postData(body, 'proses-api.php').subscribe(data => {
      for(let customer of data.result){
        this.customers.push(customer);
      }
      resolve(true);
    });
  });
}

有一个错误。
这不起作用:

let body = {
  aksi : 'getdata',
  limit : this.limit,
  start : this.start,
  dogovor: this.digi,   
};

变量digi 未激活。我的错在哪里?

【问题讨论】:

  • 你所说的活跃是什么意思?你能发布你是如何存储这些值的吗?
  • let body = {...then(...) 内的代码之前执行。

标签: angular ionic-framework ionic3 ionic4


【解决方案1】:

您必须在.then 函数中插入您的代码以供参考,您可以检查此https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise

Javascript 不等待 then 函数的 promise 响应

loadCustomer() {

    return new Promise(resolve => {
        this.storage.get('session_storage').then((res) => {
            this.anggotae = res;
            this.dogovor = this.anggotae.dogovor;
            this.digi = this.dogovor;
            console.log(this.digi);

            let body = {
                aksi: 'getdata',
                limit: this.limit,
                start: this.start,
                dogovor: this.digi,

            };

            this.postPvdr.postData(body, 'proses-api.php').subscribe(data => {
                for (let customer of data.result) {
                    this.customers.push(customer);
                }
                resolve(true);
            });
        });
    });
}

【讨论】:

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