el-table的el-table-column获取列数据并且转换

调用方法

<el-table-column label="文件大小" prop="fileSize" width="80" :formatter="filesizeConvert"></el-table-column>

方法位置

methods: {
            filesizeConvert(row, column, cellValue) {
              var size = parseInt(row.fileSize)
              var data = ""
              if (size < 0.1 * 1024) {
                data = size.toFixed(2) + "B"
              } else if (size < 0.1 * 1024 * 1024) {
                data = (size / 1024).toFixed(2) + "KB"
              } else if (size < 0.1 * 1024 * 1024 * 1024) {
                data = (size / (1024 * 1024)).toFixed(2) + "MB"
              } else {
                data = (size / (1024 * 1024 * 1024)).toFixed(2) + "GB"
              }
              var sizestr = data + ""
              var len = sizestr.indexOf("\.")
              var dec = sizestr.substr(len + 1, 2)
              if (dec == "00") {
                return sizestr.substring(0, len) + sizestr.substr(len + 3, 2)
              }
              return sizestr
            },