<el-dialog>
    <div slot="footer" class="dialog-footer">
            <el-button @click="textEditShow = false">取 消</el-button>
            <el-button type="primary" @click.native="textEditDefine()">确 定</el-button>
    </div>
 </el-dialog>
methods:{
    textEditDefine:function(){
        console.log();
    }
}

 <el-button type="primary" @click.native="textEditDefine">确 定</el-button>