visitor_appointment_wxuni/visitor_appointment/utils/request.js

// 默认配置
const DEFAULT_CONFIG = {
  baseURL: 'http://192.168.3.198:8500', // 替换为你的接口基础地址
  timeout: 5000,
  header: {
    'Content-Type': 'application/json;charset=utf-8'
  }
}

// 请求拦截器（发送前执行）
const requestInterceptor = (config) => {
  // 示例：添加 token
  const token = uni.getStorageSync('token')
  if (token) {
    config.header = {
      ...config.header,
      'Authorization': `Bearer ${token}`
    }
  }
  return config
}

// 响应拦截器（收到响应后执行）
const responseInterceptor = (response) => {
  // 可以根据后端返回结构统一处理
  const { statusCode, data } = response
  if (statusCode === 200) {
    // 假设后端返回 { code: 200, data: {}, message: '' }
    if (data.code === 200) {
      return Promise.resolve(data) // 直接返回业务数据
    } else {
      // 业务错误，抛出异常
      return Promise.reject({
        code: data.code,
        message: data.status || '请求失败'
      })
    }
  } else {
    // HTTP 错误
    return Promise.reject({
      code: statusCode,
      message: `HTTP错误：${statusCode}`
    })
  }
}

// 核心请求函数
const request = (options) => {
  // 合并配置
  const config = {
    ...DEFAULT_CONFIG,
    ...options,
    header: {
      ...DEFAULT_CONFIG.header,
      ...(options.header || {})
    }
  }

  // 执行请求拦截器
  let interceptedConfig = config
  if (requestInterceptor) {
    interceptedConfig = requestInterceptor(config) || config
  }

  // 返回 Promise
  return new Promise((resolve, reject) => {
    // 拼接完整 URL
    const url = interceptedConfig.baseURL + interceptedConfig.url

    uni.request({
      url,
      method: interceptedConfig.method || 'GET',
      data: interceptedConfig.data,
      header: interceptedConfig.header,
      timeout: interceptedConfig.timeout,
      success: (res) => {
        // 执行响应拦截器
        if (responseInterceptor) {
          responseInterceptor(res).then(resolve).catch(reject)
        } else {
          resolve(res)
        }
      },
      fail: (err) => {
        uni.showToast({
          title: '网络请求失败',
          icon: 'none'
        })
        reject(err)
      }
    })
  })
}

// 便捷方法
request.get = (url, data, options = {}) => {
  return request({
    method: 'GET',
    url,
    data,
    ...options
  })
}

request.post = (url, data, options = {}) => {
  return request({
    method: 'POST',
    url,
    data,
    ...options
  })
}

request.put = (url, data, options = {}) => {
  return request({
    method: 'PUT',
    url,
    data,
    ...options
  })
}

request.delete = (url, data, options = {}) => {
  return request({
    method: 'DELETE',
    url,
    data,
    ...options
  })
}

export default request