yiliangyiyun-pc-jj/src/utils/util.js

import {
  validatenull
} from './validate'
/**
 * 动态插入css
 */

export const loadStyle = (url, callback) => {
  if (!isInclude(url)) {
    const link = document.createElement('link');
    link.type = 'text/css';
    link.rel = 'stylesheet';
    link.href = url;
    const head = document.getElementsByTagName('head')[0];
    addCallback(link, callback)
    head.appendChild(link);
  } else {
    callback && callback()
  }
};

/**
 * 动态插入js
 */
export const loadScript = (url, callback) => {
  if (!isInclude(url)) {
    const link = document.createElement('script');
    link.src = url;
    link.type = 'text/javascript'
    const head = document.getElementsByTagName('head')[0];
    addCallback(link, callback)
    head.appendChild(link);
  } else {
    callback && callback()
  }
};

/**
 * 判断是否已经存在某个css 或者js
 * @param {*} name
 */
const isInclude = (name) => {
  var js = /js$/i.test(name);
  var es = document.getElementsByTagName(js ? 'script' : 'link');
  for (var i = 0; i < es.length; i++)
    if (es[i][js ? 'src' : 'href'].indexOf(name) != -1) return true;
  return false;
}
const addCallback = (obj, callback) => {
  if (obj.addEventListener) {
    obj.addEventListener('load', function() {
      callback && callback();
    }, false);
  } else if (obj.attachEvent) {
    obj.attachEvent('onreadystatechange', function() {
      var target = window.event.srcElement;
      if (target.readyState == 'loaded') {
        callback && callback();
      }
    });
  }
}



//表单序列化
export const serialize = data => {
  let list = [];
  Object.keys(data).forEach(ele => {
    list.push(`${ele}=${data[ele]}`)
  })
  return list.join('&');
};
export const getObjType = obj => {
  var toString = Object.prototype.toString;
  var 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'
  };
  if (obj instanceof Element) {
    return 'element';
  }
  return map[toString.call(obj)];
};
/**
 * 对象深拷贝
 */
export const deepClone = data => {
  var type = getObjType(data);
  var obj;
  if (type === 'array') {
    obj = [];
  } else if (type === 'object') {
    obj = {};
  } else {
    //不再具有下一层次
    return data;
  }
  if (type === 'array') {
    for (var i = 0, len = data.length; i < len; i++) {
      obj.push(deepClone(data[i]));
    }
  } else if (type === 'object') {
    for (var key in data) {
      obj[key] = deepClone(data[key]);
    }
  }
  return obj;
};
/**
 * 设置灰度模式
 */
export const toggleGrayMode = (status) => {
  if (status) {
    document.body.className = document.body.className + ' grayMode';
  } else {
    document.body.className = document.body.className.replace(' grayMode', '');
  }
};
/**
 * 设置主题
 */
export const setTheme = (name) => {
  document.body.className = name;
}

/**
 * 加密处理
 */
export const encryption = (params) => {
  let {
    data,
    type,
    param,
    key
  } = params;
  let result = JSON.parse(JSON.stringify(data));
  if (type == 'Base64') {
    param.forEach(ele => {
      result[ele] = btoa(result[ele]);
    })
  } else if (type == 'Aes') {
    param.forEach(ele => {
      result[ele] = window.CryptoJS.AES.encrypt(result[ele], key).toString();
    })

  }
  return result;
};


/**
 * 浏览器判断是否全屏
 */
export const fullscreenToggel = () => {
  if (fullscreenEnable()) {
    exitFullScreen();
  } else {
    reqFullScreen();
  }
};
/**
 * esc监听全屏
 */
export const listenfullscreen = (callback) => {
  function listen() {
    callback()
  }
  document.addEventListener('fullscreenchange', function() {
    listen();
  });
  document.addEventListener('mozfullscreenchange', function() {
    listen();
  });
  document.addEventListener('webkitfullscreenchange', function() {
    listen();
  });
  document.addEventListener('msfullscreenchange', function() {
    listen();
  });
};
/**
 * 浏览器判断是否全屏
 */
export const fullscreenEnable = () => {
  var isFullscreen = document.isFullScreen || document.mozIsFullScreen || document.webkitIsFullScreen
  return isFullscreen;
}

/**
 * 浏览器全屏
 */
export const reqFullScreen = () => {
  if (document.documentElement.requestFullScreen) {
    document.documentElement.requestFullScreen();
  } else if (document.documentElement.webkitRequestFullScreen) {
    document.documentElement.webkitRequestFullScreen();
  } else if (document.documentElement.mozRequestFullScreen) {
    document.documentElement.mozRequestFullScreen();
  }
};
/**
 * 浏览器退出全屏
 */
export const exitFullScreen = () => {
  if (document.documentElement.requestFullScreen) {
    document.exitFullScreen();
  } else if (document.documentElement.webkitRequestFullScreen) {
    document.webkitCancelFullScreen();
  } else if (document.documentElement.mozRequestFullScreen) {
    document.mozCancelFullScreen();
  }
};
/**
 * 递归寻找子类的父类
 */

export const findParent = (menu, id) => {
  for (let i = 0; i < menu.length; i++) {
    if (menu[i].children.length != 0) {
      for (let j = 0; j < menu[i].children.length; j++) {
        if (menu[i].children[j].id == id) {
          return menu[i];
        } else {
          if (menu[i].children[j].children.length != 0) {
            return findParent(menu[i].children[j].children, id);
          }
        }
      }
    }
  }
};

/**
 * 判断路由是否相等
 */
export const diff = (obj1, obj2) => {
  delete obj1.close;
  var o1 = obj1 instanceof Object;
  var o2 = obj2 instanceof Object;
  if (!o1 || !o2) {
    /*  判断不是对象  */
    return obj1 === obj2;
  }

  if (Object.keys(obj1).length !== Object.keys(obj2).length) {
    return false;
    //Object.keys() 返回一个由对象的自身可枚举属性(key值)组成的数组,例如：数组返回下表：let arr = ["a", "b", "c"];console.log(Object.keys(arr))->0,1,2;
  }

  for (var attr in obj1) {
    var t1 = obj1[attr] instanceof Object;
    var t2 = obj2[attr] instanceof Object;
    if (t1 && t2) {
      return diff(obj1[attr], obj2[attr]);
    } else if (obj1[attr] !== obj2[attr]) {
      return false;
    }
  }
  return true;
}
/**
 * 根据字典的value显示label
 */
export const findByvalue = (dic, value) => {
  let result = '';
  if (validatenull(dic)) return value;
  if (typeof(value) == 'string' || typeof(value) == 'number' || typeof(value) == 'boolean') {
    let index = 0;
    index = findArray(dic, value);
    if (index != -1) {
      result = dic[index].label;
    } else {
      result = value;
    }
  } else if (value instanceof Array) {
    result = [];
    let index = 0;
    value.forEach(ele => {
      index = findArray(dic, ele);
      if (index != -1) {
        result.push(dic[index].label);
      } else {
        result.push(value);
      }
    });
    result = result.toString();
  }
  return result;
};
/**
 * 根据字典的value查找对应的index
 */
export const findArray = (dic, value) => {
  for (let i = 0; i < dic.length; i++) {
    if (dic[i].value == value) {
      return i;
    }
  }
  return -1;
};
/**
 * 生成随机len位数字
 */
export const randomLenNum = (len, date) => {
  let random = '';
  random = Math.ceil(Math.random() * 100000000000000).toString().substr(0, len ? len : 4);
  if (date) random = random + Date.now();
  return random;
};
/**
 * 打开小窗口
 */
export const openWindow = (url, title, w, h) => {
  // Fixes dual-screen position                            Most browsers       Firefox
  const dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : screen.left
  const dualScreenTop = window.screenTop !== undefined ? window.screenTop : screen.top

  const width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document
    .documentElement.clientWidth : screen.width
  const height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document
    .documentElement.clientHeight : screen.height

  const left = ((width / 2) - (w / 2)) + dualScreenLeft
  const top = ((height / 2) - (h / 2)) + dualScreenTop
  const newWindow = window.open(url, title,
    'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, width=' +
    w + ', height=' + h + ', top=' + top + ', left=' + left)

  // Puts focus on the newWindow
  if (window.focus) {
    newWindow.focus()
  }
}


// 路由处理 开始
export const isURL = (s) => {
  return /^http[s]?:\/\/.*/.test(s);
}
export const objToform = (obj) => {
  let result = [];
  Object.keys(obj).forEach(ele => {
    result.push(`${ele}=${obj[ele]}`);
  });
  return result.join('&');
}
// 设置标题
export const setTitle = title => {
  const defaultTitle = this.$t('title');
  title = title ? `${title}-${defaultTitle}` : defaultTitle;
  document.title = title;
}
export const closeTag = value => {
  let tag = value || this.$store.getters.tag;
  if (typeof value === 'string') {
    tag = this.$store.getters.tagList.filter(ele => ele.value === value)[0];
  }
  this.$store.commit('DEL_TAG', tag);
}
export const generateTitle = (title, key, _this) => {
  const hasKey = _this.$te('route.' + (key || title));
  if (hasKey) {
    const translatedTitle = _this.$t('route.' + (key || title))
    return translatedTitle;

  }
  console.log(title)
  return title;
}
//处理路由
export const getPath = (params) => {
  let {
    src
  } = params;
  let result = src || '/';
  if (src.includes('http') || src.includes('https')) {
    result = `/myiframe/urlPath?${objToform(params)}`;
  }
  return result;
}

//设置路由值
export const getValue = (route) => {
  let value = '';
  if (route.query.src) {
    value = route.query.src;
  } else {
    value = route.path;
  }
  return value;
}
// 路由处理 结束

// null赋值空字符串
export const nullToString = (obj) => {
  Object.keys(obj).forEach(function(key) {
    console.log(key, obj[key])
    if (obj[key] === null) {
      obj[key] = ''
    }
  })
}