mobile/src/utils/utils.js

import Vue from 'vue'
function tip(data) {
  setTimeout(() => {
    uni.showToast(data)
  }, 100)
}

// 身份证格式校验
export const checkIdCard = function (sIdCard) {
  //Wi 加权因子 Xi 余数0~10对应的校验码 Pi省份代码
  let Wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
    Xi = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2],
    Pi = [11, 12, 13, 14, 15, 21, 22, 23, 31, 32, 33, 34, 35, 36, 37, 41, 42, 43, 44, 45, 46, 50, 51, 52, 53, 54, 61, 62, 63, 64, 65, 71, 81, 82, 91],
    checkStatus = 0
  // 检查身份证长度
  if (sIdCard.length == 18) {
    checkStatus += 1
  }
  //检验输入的省份编码是否有效
  if (checkStatus >= 1) {
    let p2 = sIdCard.substr(0, 2)
    for (let i = 0; i < Pi.length; i++) {
      if (Pi[i] == p2) {
        checkStatus += 1
      }
    }
  }
  //检验18位身份证号码出生日期是否有效
  //parseFloat过滤前导零，年份必需大于等于1900且小于等于当前年份，用Date()对象判断日期是否有效。
  if (checkStatus >= 2) {
    let year = parseFloat(sIdCard.substr(6, 4))
    let month = parseFloat(sIdCard.substr(10, 2))
    let day = parseFloat(sIdCard.substr(12, 2))
    let checkDay = new Date(year, month - 1, day)
    let nowDay = new Date()
    if (1900 <= year && year <= nowDay.getFullYear() && month == checkDay.getMonth() + 1 && day == checkDay.getDate()) {
      checkStatus += 1
    }
  }
  //检验校验码是否有效
  if (checkStatus >= 3) {
    let aIdCard = sIdCard.split('')
    let sum = 0
    for (let j = 0; j < Wi.length; j++) {
      sum += Wi[j] * aIdCard[j] //线性加权求和
    }
    let index = sum % 11 //求模，可能为0~10,可求对应的校验码是否于身份证的校验码匹配
    if (Xi[index] == aIdCard[17].toUpperCase()) {
      checkStatus += 1
    }
  }
  if (checkStatus == 4) {
    return true
  } else {
    return false
  }
}
/**
 * 时间转换为XX前
 */
export const clickDateDiff = function (value) {
  let dataValue = value
  if (typeof value == 'string') {
    dataValue = new Date(value.replace(/-/g, '/')).getTime()
  }
  var result
  var minute = 1000 * 60
  var hour = minute * 60
  var day = hour * 24
  var month = day * 30
  var now = new Date().getTime()
  var diffValue = parseInt(now) - parseInt(dataValue)
  if (diffValue < 0) {
    return
  }
  var monthC = diffValue / month
  var weekC = diffValue / (7 * day)
  var dayC = diffValue / day
  var hourC = diffValue / hour
  var minC = diffValue / minute
  if (monthC >= 1) {
    result = '' + parseInt(monthC) + '月前'
  } else if (weekC >= 1) {
    result = '' + parseInt(weekC) + '周前'
  } else if (dayC >= 1) {
    result = '' + parseInt(dayC) + '天前'
  } else if (hourC >= 1) {
    result = '' + parseInt(hourC) + '小时前'
  } else if (minC >= 1) {
    result = '' + parseInt(minC) + '分钟前'
  } else {
    result = '刚刚'
  }
  return result
}

// 保存图片
let settingWritePhotosAlbum = false
export const saveImg = function (url, callback) {
  if (url) {
    // #ifdef MP-WEIXIN
    if (settingWritePhotosAlbum) {
      uni.getSetting({
        success: (res) => {
          if (res.authSetting['scope.writePhotosAlbum']) {
            uni.showLoading({
              title: '正在下载'
            })
            uni.downloadFile({
              url: url,
              success: (data) => {
                if (data.statusCode == 200) {
                  uni.saveImageToPhotosAlbum({
                    filePath: data.tempFilePath,
                    success: () => {
                      uni.hideLoading()
                      callback && callback()
                      uni.showToast({
                        title: '保存成功'
                      })
                    },
                    fail(e) {
                      uni.hideLoading()
                      tip({
                        title: '下载失败，错误原因：' + e.errMsg,
                        icon: 'none'
                      })
                    }
                  })
                } else {
                  uni.hideLoading()
                  uni.showToast({
                    title: '下载失败',
                    icon: 'none'
                  })
                }
              },
              fail(e) {
                uni.hideLoading()
                uni.showToast({
                  title: '下载失败，错误原因：' + e.errMsg,
                  icon: 'none'
                })
              }
            })
          } else {
            uni.showModal({
              title: '提示',
              content: '请先在设置页面打开“保存相册”使用权限',
              confirmText: '去设置',
              cancelText: '算了',
              success: (data) => {
                if (data.confirm) {
                  uni.openSetting()
                }
              }
            })
          }
        }
      })
    } else {
      settingWritePhotosAlbum = true
      uni.authorize({
        scope: 'scope.writePhotosAlbum',
        success: () => {
          uni.showLoading({
            title: '正在下载'
          })
          uni.downloadFile({
            url: url,
            success: (data) => {
              if (data.statusCode == 200) {
                uni.saveImageToPhotosAlbum({
                  filePath: data.tempFilePath,
                  success: () => {
                    uni.hideLoading()
                    callback && callback()
                    uni.showToast({
                      title: '保存成功'
                    })
                  },
                  fail(e) {
                    uni.hideLoading()
                    tip({
                      title: '下载失败，错误原因：' + e.errMsg,
                      icon: 'none'
                    })
                  }
                })
              } else {
                uni.hideLoading()
                uni.showToast({
                  title: '下载失败',
                  icon: 'none'
                })
              }
            },
            fail(e) {
              uni.hideLoading()
              uni.showToast({
                title: '下载失败，错误原因：' + e.errMsg,
                icon: 'none'
              })
            }
          })
        }
      })
    }
    // #endif
    // #ifdef H5
    uni.showLoading({
      title: '正在下载'
    })
    uni.downloadFile({
      url: url,
      success: (data) => {
        uni.hideLoading()
        if (data.statusCode == 200) {
          callback && callback()
          window.open(data.tempFilePath)
        } else {
          uni.showToast({
            title: '下载失败',
            icon: 'none'
          })
        }
      },
      fail(e) {
        uni.hideLoading()
        uni.showToast({
          title: '下载失败，错误原因：' + e.errMsg,
          icon: 'none'
        })
      }
    })
    // #endif
    // #ifdef APP-PLUS
    uni.showLoading({
      title: '正在下载'
    })
    uni.saveImageToPhotosAlbum({
      filePath: url,
      success: () => {
        uni.hideLoading()
        callback && callback()
        uni.showToast({
          title: '保存成功'
        })
      },
      fail(e) {
        uni.hideLoading()
        uni.showToast({
          title: '下载失败，错误原因：' + e.errMsg,
          icon: 'none'
        })
      }
    })
    // #endif
  } else {
    uni.showToast({
      title: '未找到图片',
      icon: 'none'
    })
  }
}
// 保存视频

export const saveVideo = function (url, callback) {
  if (url) {
    // #ifdef MP-WEIXIN
    if (settingWritePhotosAlbum) {
      uni.getSetting({
        success: (res) => {
          if (res.authSetting['scope.writePhotosAlbum']) {
            // let urlArr = url.split("/");
            // let updateUrl = urlArr[urlArr.length - 1];
            // let  filePath = wx.env.USER_DATA_PATH + '/' + updateUrl;
            uni.showLoading({
              title: '正在下载'
            })
            uni.downloadFile({
              url: url,
              // filePath: filePath,
              success: (data) => {
                if (data.statusCode == 200) {
                  uni.saveVideoToPhotosAlbum({
                    filePath: data.tempFilePath,
                    success: () => {
                      uni.hideLoading()
                      callback && callback()
                      tip({
                        title: '保存成功'
                      })
                    },
                    fail(e) {
                      uni.hideLoading()
                      tip({
                        title: '下载失败，错误原因：' + e.errMsg,
                        icon: 'none'
                      })
                    }
                  })
                } else {
                  uni.hideLoading()
                  tip({
                    title: '下载失败',
                    icon: 'none'
                  })
                }
              },
              fail(e) {
                uni.hideLoading()
                tip({
                  title: '下载失败，错误原因：' + e.errMsg,
                  icon: 'none'
                })
              }
            })
          } else {
            uni.showModal({
              title: '提示',
              content: '请先在设置页面打开“保存相册”使用权限',
              confirmText: '去设置',
              cancelText: '算了',
              success: (data) => {
                if (data.confirm) {
                  uni.openSetting()
                }
              }
            })
          }
        }
      })
    } else {
      settingWritePhotosAlbum = true
      uni.authorize({
        scope: 'scope.writePhotosAlbum',
        success: () => {
          // let urlArr = url.split("/");
          // let updateUrl = urlArr[urlArr.length - 1];
          // let filePath = wx.env.USER_DATA_PATH + '/' + updateUrl;
          uni.showLoading({
            title: '正在下载'
          })
          uni.downloadFile({
            url: url,
            // filePath: filePath,
            success: (data) => {
              if (data.statusCode == 200) {
                uni.saveVideoToPhotosAlbum({
                  filePath: data.tempFilePath,
                  success: () => {
                    uni.hideLoading()
                    callback && callback()
                    tip({
                      title: '保存成功'
                    })
                  },
                  fail(e) {
                    uni.hideLoading()
                    tip({
                      title: '下载失败，错误原因：' + e.errMsg,
                      icon: 'none'
                    })
                  }
                })
              } else {
                uni.hideLoading()
                tip({
                  title: '下载失败，错误原因：' + data.errMsg,
                  icon: 'none'
                })
              }
            },
            fail(e) {
              uni.hideLoading()
              tip({
                title: '下载失败，错误原因：' + e.errMsg,
                icon: 'none'
              })
            }
          })
        }
      })
    }
    // #endif
    // #ifdef H5
    uni.showLoading({
      title: '正在下载'
    })
    uni.downloadFile({
      url: url,
      success: (data) => {
        uni.hideLoading()
        if (data.statusCode == 200) {
          callback && callback()
          window.open(data.tempFilePath)
        } else {
          tip({
            title: '下载失败',
            icon: 'none'
          })
        }
      },
      fail(e) {
        uni.hideLoading()
        tip({
          title: '下载失败，错误原因：' + e.errMsg,
          icon: 'none'
        })
      }
    })
    // #endif
    // #ifdef APP-PLUS
    uni.showLoading({
      title: '正在下载'
    })
    uni.saveVideoToPhotosAlbum({
      filePath: url,
      success: () => {
        uni.hideLoading()
        callback && callback()
        tip({
          title: '保存成功'
        })
      },
      fail(e) {
        uni.hideLoading()
        tip({
          title: '下载失败，错误原因：' + e.errMsg,
          icon: 'none'
        })
      }
    })
    // #endif
  } else {
    tip({
      title: '未找到视频',
      icon: 'none'
    })
  }
}
// 微信小程序获取定位权限判断
function wxAppletsLocation(successCallback, errCallback) {
  uni.getSetting({
    success: (res) => {
      if (res.authSetting['scope.userLocation']) {
        uni.getLocation({
          type: 'gcj02',
          success: (res) => {
            successCallback(res)
          },
          fail: (err) => {
            console.log('位置信息错误', err)
            errCallback('位置信息获取失败')
          }
        })
      } else {
        errCallback('“位置信息”未授权')
        uni.showModal({
          title: '提示',
          content: '请先在设置页面打开“位置信息”使用权限',
          confirmText: '去设置',
          cancelText: '再逛会',
          success: (res) => {
            if (res.confirm) {
              uni.openSetting()
            }
          }
        })
      }
    }
  })
}
// 获取地址信息
let locationAuthorize = true
export const getAppWxLatLon = function (successCallback, errCallback) {
  // #ifdef MP
  if (locationAuthorize) {
    uni.authorize({
      scope: 'scope.userLocation',
      success: () => {
        wxAppletsLocation(successCallback, errCallback)
        locationAuthorize = false
      },
      fail: () => {
        locationAuthorize = false
      }
    })
  } else {
    wxAppletsLocation(successCallback, errCallback)
  }
  // #endif
}

/**
 * 图片转base64
 * @returns {Promise<any>} 返回一个 promise 对象，resolve 结果或 reject 错误
 */
export function imgToBase64(filePath) {
  return new Promise((resolve, reject) => {
    if (filePath.indexOf('wxfile') === 0 || filePath.indexOf('http://tmp/') === 0) {
      wx.getFileSystemManager().readFile({
        filePath: filePath,
        encoding: 'base64',
        success: (res) => {
          wx.getImageInfo({
            src: filePath,
            success: (infoRes) => {
              resolve(`data:image/${infoRes.type};base64,${res.data}`)
            },
            fail: (err) => {
              reject('Error getting image info')
            }
          })
        },
        fail: (err) => {
          reject('Error reading file')
        }
      })
    } else {
      wx.downloadFile({
        url: filePath,
        success: (res) => {
          wx.getFileSystemManager().readFile({
            filePath: res.tempFilePath,
            encoding: 'base64',
            success: (res) => {
              wx.getImageInfo({
                src: filePath,
                success: (infoRes) => {
                  resolve(`data:image/${infoRes.type};base64,${res.data}`)
                },
                fail: (err) => {
                  reject('Error getting image info')
                }
              })
            },
            fail: (err) => {
              console.log('网络', err)
            }
          })
        },
        fail: (err) => {
          console.log('下载网络失败', err)
        }
      })
    }
  })
}
export function sleep(delay) {
  var start = new Date().getTime()
  while (new Date().getTime() - start < delay) {
    continue
  }
}
/**
 * 字典数据转成option list
 * @param {Object} data 字典数据
 * @returns list
 */
export const dictToOptionList = (data) => {
  return Object.keys(data).map((k) => {
    const kstr = typeof k === 'number' ? k : k + ''
    return { value: kstr, label: data[k] }
  })
}
/* 日期格式化 */
export const dateFormat = (date, fmt = 'yyyy-MM-dd hh:mm:ss', isDefault = '-') => {
  if (!date) {
    return '-'
  }
  if (date.toString().length === 10) {
    date *= 1000
  }
  date = new Date(date)

  if (date.valueOf() < 1) {
    return isDefault
  }
  const o = {
    'M+': date.getMonth() + 1, // 月份
    'd+': date.getDate(), // 日
    'h+': date.getHours(), // 小时
    'm+': date.getMinutes(), // 分
    's+': date.getSeconds(), // 秒
    'q+': Math.floor((date.getMonth() + 3) / 3), // 季度
    S: date.getMilliseconds() // 毫秒
  }
  if (/(y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, `${date.getFullYear()}`.substr(4 - RegExp.$1.length))
  }
  for (const k in o) {
    if (new RegExp(`(${k})`).test(fmt)) {
      fmt = fmt.replace(RegExp.$1, RegExp.$1.length === 1 ? o[k] : `00${o[k]}`.substr(`${o[k]}`.length))
    }
  }
  return fmt
}

/**
 * 将目标对象中有的属性值与源对象中的属性值合并
 * @param {Object} target 目标对象
 * @param {Object} sources 源对象
 */
export function objAssign(target, sources) {
  let targ = { ...target }
  for (let k in targ) {
    targ[k] = Object.prototype.hasOwnProperty.call(sources, k) ? sources[k] : targ[k]
  }
  return targ
}

/**
 * 获取随机code,默认获取16位
 * @param {Number} len 推荐8的倍数
 *
 */
export function randomCode(len = 16) {
  if (len <= 0) return
  let steps = Math.ceil(len / 8)
  let stepNums = []
  for (let i = 0; i < steps; i++) {
    let ranNum = Math.random().toString(32).slice(-8)
    stepNums.push(ranNum)
  }

  return stepNums.join('')
}

/**
 * 判断对象类型
 * @param {*} obj 对象
 */
export function objTypeOf(obj) {
  const toString = Object.prototype.toString
  const map = {
    '[object Boolean]': 'boolean',
    '[object Number]': 'number',
    '[object String]': 'string',
    '[object Function]': 'function',
    '[object Array]': 'array',
    '[object Date]': 'date',
    '[object RegExp]': 'regExp',
    '[object Undefined]': 'undefined',
    '[object Null]': 'null',
    '[object Object]': 'object',
    '[object Blob]': 'blob'
  }
  return map[toString.call(obj)]
}