根据java api如果name是一个路径而不是文件或者文件不能打开或抛出FileNotFoundException,应该把G:\\ul改成G:\\ul.txt

在代码里把文件的后缀名也加上，比如ui.txt

https://www.imooc.com/wenda/detail/337535

https://www.imooc.com/wenda/detail/354319

https://www.imooc.com/wenda/detail/355069

https://www.imooc.com/wenda/detail/340767

https://www.imooc.com/wenda/detail/352136

https://www.imooc.com/wenda/detail/334821

https://www.imooc.com/wenda/detail/333453

https://www.imooc.com/wenda/detail/336124

https://www.imooc.com/wenda/detail/341818

https://www.imooc.com/wenda/detail/352651

https://www.imooc.com/wenda/detail/332880

https://www.imooc.com/wenda/detail/343435

https://www.imooc.com/wenda/detail/348758

https://www.imooc.com/wenda/detail/332041

https://www.imooc.com/wenda/detail/342382

https://www.imooc.com/wenda/detail/340462

https://www.imooc.com/wenda/detail/347075

https://www.imooc.com/wenda/detail/349225

https://www.imooc.com/wenda/detail/336899

https://www.imooc.com/wenda/detail/343511

https://www.imooc.com/wenda/detail/332795

https://www.imooc.com/wenda/detail/340083

https://www.imooc.com/wenda/detail/354926

https://www.imooc.com/wenda/detail/340260

https://www.imooc.com/wenda/detail/354559

https://www.imooc.com/wenda/detail/349938

https://www.imooc.com/wenda/detail/342831

https://www.imooc.com/wenda/detail/335150

https://www.imooc.com/wenda/detail/352870

https://www.imooc.com/wenda/detail/344293

https://www.imooc.com/wenda/detail/342133

https://www.imooc.com/wenda/detail/333978

https://www.imooc.com/wenda/detail/352130

https://www.imooc.com/wenda/detail/345664

https://www.imooc.com/wenda/detail/351958

https://www.imooc.com/wenda/detail/334432

https://www.imooc.com/wenda/detail/353707

https://www.imooc.com/wenda/detail/343242

https://www.imooc.com/wenda/detail/345893

https://www.imooc.com/wenda/detail/339120

https://www.imooc.com/wenda/detail/348757

https://www.imooc.com/wenda/detail/337710

https://www.imooc.com/wenda/detail/340867

https://www.imooc.com/wenda/detail/337894

https://www.imooc.com/wenda/detail/352596

https://www.imooc.com/wenda/detail/347069

https://www.imooc.com/wenda/detail/340507

https://www.imooc.com/wenda/detail/335633

https://www.imooc.com/wenda/detail/385465

https://www.imooc.com/wenda/detail/356461

https://www.imooc.com/wenda/detail/383702

https://www.imooc.com/wenda/detail/427736

https://www.imooc.com/wenda/detail/345263

https://www.imooc.com/wenda/detail/335952

https://www.imooc.com/wenda/detail/362909

https://www.imooc.com/wenda/detail/363064

https://www.imooc.com/wenda/detail/357202

https://www.imooc.com/wenda/detail/352241

https://www.imooc.com/wenda/detail/389524

https://www.imooc.com/wenda/detail/357004

https://www.imooc.com/wenda/detail/363021

https://www.imooc.com/wenda/detail/389285

https://www.imooc.com/wenda/detail/388923

https://www.imooc.com/wenda/detail/386956

https://www.imooc.com/wenda/detail/388295

https://www.imooc.com/wenda/detail/381198

https://www.imooc.com/wenda/detail/378405

https://www.imooc.com/wenda/detail/335478

https://www.imooc.com/wenda/detail/353723

https://www.imooc.com/wenda/detail/387096

https://www.imooc.com/wenda/detail/337186

https://www.imooc.com/wenda/detail/386052

https://www.imooc.com/wenda/detail/388260

https://www.imooc.com/wenda/detail/342058

https://www.imooc.com/wenda/detail/382158

https://www.imooc.com/wenda/detail/357247

https://www.imooc.com/wenda/detail/394329

https://www.imooc.com/wenda/detail/344251

https://www.imooc.com/wenda/detail/337680

https://www.imooc.com/wenda/detail/382119

https://www.imooc.com/wenda/detail/337535

https://www.imooc.com/wenda/detail/354319

https://www.imooc.com/wenda/detail/355069

https://www.imooc.com/wenda/detail/340767

https://www.imooc.com/wenda/detail/352136

https://www.imooc.com/wenda/detail/334821

https://www.imooc.com/wenda/detail/333453

https://www.imooc.com/wenda/detail/336124

https://www.imooc.com/wenda/detail/341818

https://www.imooc.com/wenda/detail/352651

https://www.imooc.com/wenda/detail/332880

https://www.imooc.com/wenda/detail/343435

https://www.imooc.com/wenda/detail/348758

https://www.imooc.com/wenda/detail/332041

https://www.imooc.com/wenda/detail/342382

https://www.imooc.com/wenda/detail/340462

https://www.imooc.com/wenda/detail/347075

https://www.imooc.com/wenda/detail/349225

https://www.imooc.com/wenda/detail/336899

https://www.imooc.com/wenda/detail/343511

https://www.imooc.com/wenda/detail/332795

https://www.imooc.com/wenda/detail/340083

https://www.imooc.com/wenda/detail/354926

https://www.imooc.com/wenda/detail/340260

https://www.imooc.com/wenda/detail/354559

https://www.imooc.com/wenda/detail/349938

https://www.imooc.com/wenda/detail/342831

https://www.imooc.com/wenda/detail/335150

https://www.imooc.com/wenda/detail/352870

https://www.imooc.com/wenda/detail/344293

https://www.imooc.com/wenda/detail/342133

https://www.imooc.com/wenda/detail/333978

https://www.imooc.com/wenda/detail/352130

https://www.imooc.com/wenda/detail/345664

https://www.imooc.com/wenda/detail/351958

https://www.imooc.com/wenda/detail/334432

https://www.imooc.com/wenda/detail/353707

https://www.imooc.com/wenda/detail/343242

https://www.imooc.com/wenda/detail/345893

https://www.imooc.com/wenda/detail/339120

https://www.imooc.com/wenda/detail/348757

https://www.imooc.com/wenda/detail/337710

https://www.imooc.com/wenda/detail/340867

https://www.imooc.com/wenda/detail/337894

https://www.imooc.com/wenda/detail/352596

https://www.imooc.com/wenda/detail/347069

https://www.imooc.com/wenda/detail/340507

https://www.imooc.com/wenda/detail/335633

https://www.imooc.com/wenda/detail/385465

https://www.imooc.com/wenda/detail/356461

https://www.imooc.com/wenda/detail/383702

https://www.imooc.com/wenda/detail/427736

https://www.imooc.com/wenda/detail/345263

https://www.imooc.com/wenda/detail/335952

https://www.imooc.com/wenda/detail/362909

https://www.imooc.com/wenda/detail/363064

https://www.imooc.com/wenda/detail/357202

https://www.imooc.com/wenda/detail/352241

https://www.imooc.com/wenda/detail/389524

https://www.imooc.com/wenda/detail/357004

https://www.imooc.com/wenda/detail/363021

https://www.imooc.com/wenda/detail/389285

https://www.imooc.com/wenda/detail/388923

https://www.imooc.com/wenda/detail/386956

https://www.imooc.com/wenda/detail/388295

https://www.imooc.com/wenda/detail/381198

https://www.imooc.com/wenda/detail/378405

https://www.imooc.com/wenda/detail/335478

https://www.imooc.com/wenda/detail/353723

https://www.imooc.com/wenda/detail/387096

https://www.imooc.com/wenda/detail/337186

https://www.imooc.com/wenda/detail/386052

https://www.imooc.com/wenda/detail/388260

https://www.imooc.com/wenda/detail/342058

https://www.imooc.com/wenda/detail/382158

https://www.imooc.com/wenda/detail/357247

https://www.imooc.com/wenda/detail/394329

https://www.imooc.com/wenda/detail/344251

https://www.imooc.com/wenda/detail/337680

https://www.imooc.com/wenda/detail/382119

https://www.imooc.com/wenda/detail/354460

https://www.imooc.com/wenda/detail/352350

https://www.imooc.com/wenda/detail/351191

https://www.imooc.com/wenda/detail/350581

https://www.imooc.com/wenda/detail/332387

https://www.imooc.com/wenda/detail/353967

https://www.imooc.com/wenda/detail/352131

https://www.imooc.com/wenda/detail/345600

https://www.imooc.com/wenda/detail/334351

https://www.imooc.com/wenda/detail/340464

https://www.imooc.com/wenda/detail/340237

https://www.imooc.com/wenda/detail/354558

https://www.imooc.com/wenda/detail/350435

https://www.imooc.com/wenda/detail/351520

https://www.imooc.com/wenda/detail/350263

https://www.imooc.com/wenda/detail/345443

https://www.imooc.com/wenda/detail/338696

https://www.imooc.com/wenda/detail/355679

https://www.imooc.com/wenda/detail/347288

https://www.imooc.com/wenda/detail/356018

https://www.imooc.com/wenda/detail/337637

https://www.imooc.com/wenda/detail/350455

https://www.imooc.com/wenda/detail/339329

https://www.imooc.com/wenda/detail/353208

https://www.imooc.com/wenda/detail/342198

https://www.imooc.com/wenda/detail/336074

https://www.imooc.com/wenda/detail/337879

https://www.imooc.com/wenda/detail/348278

https://www.imooc.com/wenda/detail/354163

https://www.imooc.com/wenda/detail/354844

https://www.imooc.com/wenda/detail/346817

https://www.imooc.com/wenda/detail/352374

https://www.imooc.com/wenda/detail/344778

https://www.imooc.com/wenda/detail/341061

https://www.imooc.com/wenda/detail/353197

https://www.imooc.com/wenda/detail/337651

https://www.imooc.com/wenda/detail/353682

https://www.imooc.com/wenda/detail/355047

https://www.imooc.com/wenda/detail/356267

https://www.imooc.com/wenda/detail/334247

https://www.imooc.com/wenda/detail/332789

https://www.imooc.com/wenda/detail/349348

https://www.imooc.com/wenda/detail/336262

https://www.imooc.com/wenda/detail/349813

https://www.imooc.com/wenda/detail/353648

https://www.imooc.com/wenda/detail/345359

https://www.imooc.com/wenda/detail/348801

https://www.imooc.com/wenda/detail/340448

https://www.imooc.com/wenda/detail/333143

https://www.imooc.com/wenda/detail/339586

https://www.imooc.com/wenda/detail/336979

https://www.imooc.com/wenda/detail/354523

https://www.imooc.com/wenda/detail/351368

https://www.imooc.com/wenda/detail/354380

https://www.imooc.com/wenda/detail/346071

https://www.imooc.com/wenda/detail/337509

https://www.imooc.com/wenda/detail/333525

https://www.imooc.com/wenda/detail/347755

https://www.imooc.com/wenda/detail/344719

https://www.imooc.com/wenda/detail/345456

https://www.imooc.com/wenda/detail/333419

https://www.imooc.com/wenda/detail/332623

https://www.imooc.com/wenda/detail/351454

https://www.imooc.com/wenda/detail/338447

https://www.imooc.com/wenda/detail/348750

https://www.imooc.com/wenda/detail/343398

https://www.imooc.com/wenda/detail/336253

https://www.imooc.com/wenda/detail/337438

https://www.imooc.com/wenda/detail/351515

https://www.imooc.com/wenda/detail/355345

https://www.imooc.com/wenda/detail/343313

https://www.imooc.com/wenda/detail/337074

https://www.imooc.com/wenda/detail/346754

https://www.imooc.com/wenda/detail/334359

https://www.imooc.com/wenda/detail/336333

https://www.imooc.com/wenda/detail/338754

https://www.imooc.com/wenda/detail/349690

https://www.imooc.com/wenda/detail/349620

https://www.imooc.com/wenda/detail/337950

https://www.imooc.com/wenda/detail/340380

https://www.imooc.com/wenda/detail/337535 https://www.imooc.com/wenda/detail/354319 https://www.imooc.com/wenda/detail/355069 https://www.imooc.com/wenda/detail/340767 https://www.imooc.com/wenda/detail/352136 https://www.imooc.com/wenda/detail/334821 https://www.imooc.com/wenda/detail/333453 https://www.imooc.com/wenda/detail/336124 https://www.imooc.com/wenda/detail/341818 https://www.imooc.com/wenda/detail/352651 https://www.imooc.com/wenda/detail/332880 https://www.imooc.com/wenda/detail/343435 https://www.imooc.com/wenda/detail/348758 https://www.imooc.com/wenda/detail/332041 https://www.imooc.com/wenda/detail/342382 https://www.imooc.com/wenda/detail/340462 https://www.imooc.com/wenda/detail/347075 https://www.imooc.com/wenda/detail/349225 https://www.imooc.com/wenda/detail/336899 https://www.imooc.com/wenda/detail/343511 https://www.imooc.com/wenda/detail/332795 https://www.imooc.com/wenda/detail/340083 https://www.imooc.com/wenda/detail/354926 https://www.imooc.com/wenda/detail/340260 https://www.imooc.com/wenda/detail/354559 https://www.imooc.com/wenda/detail/349938 https://www.imooc.com/wenda/detail/342831 https://www.imooc.com/wenda/detail/335150 https://www.imooc.com/wenda/detail/352870 https://www.imooc.com/wenda/detail/344293 https://www.imooc.com/wenda/detail/342133 https://www.imooc.com/wenda/detail/333978 https://www.imooc.com/wenda/detail/352130 https://www.imooc.com/wenda/detail/345664 https://www.imooc.com/wenda/detail/351958 https://www.imooc.com/wenda/detail/334432 https://www.imooc.com/wenda/detail/353707 https://www.imooc.com/wenda/detail/343242 https://www.imooc.com/wenda/detail/345893 https://www.imooc.com/wenda/detail/339120 https://www.imooc.com/wenda/detail/348757 https://www.imooc.com/wenda/detail/337710 https://www.imooc.com/wenda/detail/340867 https://www.imooc.com/wenda/detail/337894 https://www.imooc.com/wenda/detail/352596 https://www.imooc.com/wenda/detail/347069 https://www.imooc.com/wenda/detail/340507 https://www.imooc.com/wenda/detail/335633 https://www.imooc.com/wenda/detail/385465 https://www.imooc.com/wenda/detail/356461 https://www.imooc.com/wenda/detail/383702 https://www.imooc.com/wenda/detail/427736 https://www.imooc.com/wenda/detail/345263 https://www.imooc.com/wenda/detail/335952 https://www.imooc.com/wenda/detail/362909 https://www.imooc.com/wenda/detail/363064 https://www.imooc.com/wenda/detail/357202 https://www.imooc.com/wenda/detail/352241 https://www.imooc.com/wenda/detail/389524 https://www.imooc.com/wenda/detail/357004 https://www.imooc.com/wenda/detail/363021 https://www.imooc.com/wenda/detail/389285 https://www.imooc.com/wenda/detail/388923 https://www.imooc.com/wenda/detail/386956 https://www.imooc.com/wenda/detail/388295 https://www.imooc.com/wenda/detail/381198 https://www.imooc.com/wenda/detail/378405 https://www.imooc.com/wenda/detail/335478 https://www.imooc.com/wenda/detail/353723 https://www.imooc.com/wenda/detail/387096 https://www.imooc.com/wenda/detail/337186 https://www.imooc.com/wenda/detail/386052 https://www.imooc.com/wenda/detail/388260 https://www.imooc.com/wenda/detail/342058 https://www.imooc.com/wenda/detail/382158 https://www.imooc.com/wenda/detail/357247 https://www.imooc.com/wenda/detail/394329 https://www.imooc.com/wenda/detail/344251 https://www.imooc.com/wenda/detail/337680 https://www.imooc.com/wenda/detail/382119

改了也没用