Smart_platform_ui/src/util/contrastData.js

//比较对象的值
export function contrastObj(newval, oldval) {
  let reg = /^[A-Za-z]+$/;
  for (let key in newval) {
    if (reg.test(key) && !(newval[key] instanceof Array) && (newval[key] != oldval[key] && (newval[key] || oldval[key]))) {
      return true
    }
  }
  return false
}

//比较数组的值(有序)
export function contrastList(newlist, oldlist) {
  if (newlist.length != oldlist.length) {
    return true
  }
  let reg = /^[A-Za-z]+$/;
  for (var i = 0; i < newlist.length; i++) {
    for (let newitem in newlist[i]) {
      for (let olditem in oldlist[i]) {
        if (!reg.test(newitem)) {
          delete newlist[i].newitem
        }
        if (!reg.test(oldlist[i])) {
          delete oldlist[i].olditem
        }
        if (newitem == olditem) {
          if (!(newlist[i][newitem] instanceof Array)) {
            if (newlist[i][newitem] != oldlist[i][olditem]) {
              console.log(newitem, i, newlist[i][newitem], oldlist[i][olditem])
              return true
            }
          }
        }
      }
    }
  }
  return false;
}
//比较数组的值(无序)
export function contrastList2(newlist, oldlist) {
  if (newlist.length != oldlist.length) {
    return true
  }
  let reg = /^[A-Za-z]+$/;
  for (var i = 0; i < newlist.length; i++) {
    for (var j = 0; j < oldlist.length; j++) {
      for (let newitem in newlist[i]) {
        for (let olditem in oldlist[j]) {
          if (newlist[i].id == oldlist[j].id) {
            if (!reg.test(newitem)) {
              delete newlist[i].newitem
            }
            if (!reg.test(oldlist[j])) {
              delete oldlist[j].olditem
            }
            if (newitem == olditem) {
              if (!(newlist[i][newitem] instanceof Array)) {
                if (newlist[i][newitem] != oldlist[j][olditem]) {
                  return true
                }
              }
            }
          }
        }
      }
    }
  }
  return false;
}