��实例
								myTable.render({
									elem: '#LB-Text2TextGeneration'
									,height: 312
									,url: 'webpage_files/participants/text2text_generation.json' //数据接口
									,page:  false//开启分页
									,cols: [[{align: 'center', title: '', colspan: 4}
											,{align: 'center', title: 'Translation Direction', colspan: 8}],
										[ //表头
										{field: 'Rank', title: 'Rank', align: 'right', width: 70}
										,{field: 'Model', title: 'Model', width: 220}
										,{f