⑴ VF涓镐庢牱鎶娄竴涓琛ㄩ噷镄勬暟鎹澶嶅埗鍒板彟涓涓琛ㄤ腑锛熺敤锻戒护𨱒ュ嶅埗銆
1銆佺浜屼釜琛ㄤ笉瀛桦湪
use 绗涓涓琛
to 绗浜屼釜琛
2銆佺浜屼釜琛ㄥ瓨鍦
use 绗浜屼釜琛
append from 绗涓涓琛
⑴ VF涓镐庢牱鎶娄竴涓琛ㄩ噷镄勬暟鎹澶嶅埗鍒板彟涓涓琛ㄤ腑锛熺敤锻戒护𨱒ュ嶅埗銆
1銆佺浜屼釜琛ㄤ笉瀛桦湪
use 绗涓涓琛
to 绗浜屼釜琛
2銆佺浜屼釜琛ㄥ瓨鍦
use 绗浜屼釜琛
append from 绗涓涓琛