vue文字点击复制

 <el-table-column align="left" label="户名" width="150" >
                                        <template slot-scope="scope">
                                            <span class="hand" v-clipboard:copy="scope.row.bank_account_name" v-clipboard:success="onCopy" v-clipboard:error="onError">@{{ scope.row.bank_account_name }}</span>
                                        </template>
                                    </el-table-column>

 onCopy: function(e) {
                    this.$message({
                        message: '复制成功',
                        type: 'success'
                    });
                },
  onError: function(e) {
                this.$message.error('复制失败');
              },