常见JS前端接口校验方式总结

if (typeof responseData === 'object') {
    // 处理返回结果为对象的情况
} else if (typeof responseData === 'string') {
    // 处理返回结果为字符串的情况
} else if (typeof responseData === 'number') {
    // 处理返回结果为数字的情况
}

{
    "product_id": "123",
    "name": "iPhone 15",
    "price": 9999,
    "specs": ["256GB", "512GB", "1T"],
    "images": [
        {
            "url": "https://example.com/iphone_15_1.jpg",
            "alt": "iPhone 15 正面照片"
        },
        {
            "url": "https://example.com/iphone_15_2.jpg",
            "alt": "iPhone 15 背面照片"
        }
    ]
}

const chai = require('chai');
const expect = chai.expect;
describe('Product API', function() {
  it('should return product detail correctly', (done) => {
    // call the API to get produt detail
    api.getProductDetail(123, function(responseData) {
      expect(responseData).to.be.an('object');
      expect(responseData.product_id).to.equal('123');
      expect(responseData.name).to.be.a('string');
      expect(responseData.price).to.be.a('number');
      expect(responseData.specs).to.be.an('array').that.includes('256GB');
      expect(responseData.images[0]).to.have.all.keys('url', 'alt');
      done();
    });
  });
});

{
    "status": "success",
    "message": "ok",
    "data": {
        "user_id": 123,
        "username": "jackie"
    }
}

assert.equal(responseData.status, 'success');
assert.include(responseData.message, 'ok');
assert.isObject(responseData.data);
assert.isNumber(responseData.data.user_id);
assert.typeOf(responseData.data.username, 'string');

switch (errorCode) {
    case '100001':
        console.log('请求参数有误');
        break;
    case '100002':
        console.log('未查询到该行程信息');
        break;
    case '100003':
        console.log('班次已过期，请重新选择');
        break;
    case '100004':
        console.log('余票不足');
        break;
    case '100005':
        console.log('当前登录状态已失效，请重新登录');
        break;
    case '100006':
        console.log('订单已取消或已完成');
        break;
    case '100007':
        console.log('订单不存在');
        break;
    default:
        console.log('未知错误');
}

const data = JSON.parse(responseData);
document.getElementById('content').innerHTML = data.content;

const escapeHtml = (unsafe) => {
    return unsafe
        .replace(/&/g, '&')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#039;');
}

const data = JSON.parse(responseData);
document.getElementById('content').innerHTML = escapeHtml(data.content);