Anh\/ch\u1ecb \u0111\u00e3 th\u00eam s\u00e1ch l\u00ean h\u1ec7 th\u1ed1ng nh\u01b0ng kh\u00f4ng t\u00ecm th\u1ea5y s\u00e1ch tr\u00ean C\u1ed5ng th\u01b0 vi\u1ec7n \u0111i\u1ec7n t\u1eed<\/strong> ho\u1eb7c trong Danh s\u00e1ch s\u00e1ch \u0111i\u1ec7n t\u1eed<\/strong>. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra do s\u00e1ch ch\u01b0a \u0111\u01b0\u1ee3c th\u00eam \u0111\u00fang quy tr\u00ecnh, ch\u01b0a \u0111\u01b0\u1ee3c chia s\u1ebb l\u00ean c\u1ed5ng ho\u1eb7c thi\u1ebft l\u1eadp hi\u1ec3n th\u1ecb ch\u01b0a ph\u00f9 h\u1ee3p, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y s\u00e1ch. B\u00e0i vi\u1ebft n\u00e0y h\u01b0\u1edbng d\u1eabn anh\/ch\u1ecb:<\/p>\n Anh\/ch\u1ecb m\u1edbi khai b\u00e1o Bi\u00ean m\u1ee5c trong H\u1ec7 th\u1ed1ng\\Danh m\u1ee5c\\Bi\u00ean m\u1ee5c n\u00ean s\u00e1ch m\u1edbi ch\u1ec9 c\u00f3 th\u00f4ng tin bi\u00ean m\u1ee5c, ch\u01b0a \u0111\u01b0\u1ee3c th\u00eam v\u00e0o Danh s\u00e1ch s\u00e1ch \u0111i\u1ec7n t\u1eed. V\u00ec v\u1eady, s\u00e1ch s\u1ebd ch\u01b0a hi\u1ec3n th\u1ecb tr\u00ean C\u1ed5ng th\u01b0 vi\u1ec7n \u0111i\u1ec7n t\u1eed.<\/p>\n Gi\u1ea3i ph\u00e1p 1: <\/strong>Sau khi khai b\u00e1o bi\u00ean m\u1ee5c, anh\/ch\u1ecb c\u1ea7n th\u1ef1c hi\u1ec7n th\u00eam S\u00e1ch \u0111i\u1ec7n t\u1eed<\/strong> theo h\u01b0\u1edbng d\u1eabn t\u1ea1i \u0111\u00e2y<\/a><\/p>\n Khi th\u00eam s\u00e1ch \u0111i\u1ec7n t\u1eed, anh\/ch\u1ecb ch\u01b0a t\u00edch ch\u1ecdn Hi\u1ec3n th\u1ecb tr\u00ean c\u1ed5ng th\u01b0 vi\u1ec7n \u0111i\u1ec7n t\u1eed<\/strong>, n\u00ean s\u00e1ch kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f4ng khai \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng tra c\u1ee9u tr\u00ean c\u1ed5ng.<\/p>\n Gi\u1ea3i ph\u00e1p 2:<\/strong> Anh\/ch\u1ecb v\u00e0o Danh s\u00e1ch s\u00e1ch \u0111i\u1ec7n t\u1eed\\ nh\u1ea5n bi\u1ec3u t\u01b0\u1ee3ng h\u00ecnh c\u00e2y b\u00fat \u0111\u1ec3 s\u1eeda\\ t\u00edch ch\u1ecdn Hi\u1ec3n th\u1ecb tr\u00ean c\u1ed5ng th\u01b0 vi\u1ec7n \u0111i\u1ec7n t\u1eed \\ nh\u1ea5n L\u01b0u<\/p>\n Nh\u00f3m lo\u1ea1i s\u00e1ch<\/a> c\u00f3 ph\u00e2n theo \u0111\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng, n\u1ebfu t\u00e0i kho\u1ea3n b\u1ea1n \u0111\u1ecdc \u0111\u0103ng nh\u1eadp kh\u00f4ng thu\u1ed9c \u0111\u1ed1i t\u01b0\u1ee3ng trong nh\u00f3m lo\u1ea1i s\u00e1ch \u0111\u00f3 th\u00ec s\u1ebd kh\u00f4ng th\u1ea5y s\u00e1ch.<\/p>\n V\u00ed d\u1ee5: nh\u00f3m lo\u1ea1i S\u00e1ch thi\u1ebfu nhi, \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang \u0111\u1ec3 l\u00e0 H\u1ecdc sinh. N\u1ebfu t\u00e0i kho\u1ea3n b\u1ea1n \u0111\u1ecdc l\u00e0 gi\u00e1o vi\u00ean th\u00ec s\u1ebd kh\u00f4ng th\u1ea5y nh\u1eefng s\u00e1ch thu\u1ed9c nh\u00f3m s\u00e1ch thi\u1ebfu nhi.<\/p>\n\n
2. C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/h3>\n
2.1. Nguy\u00ean nh\u00e2n 1: M\u1edbi ch\u1ec9 khai b\u00e1o bi\u00ean m\u1ee5c s\u00e1ch<\/h4>\n
2.2. Nguy\u00ean nh\u00e2n 2: S\u00e1ch ch\u01b0a \u0111\u01b0\u1ee3c t\u00edch hi\u1ec3n th\u1ecb l\u00ean C\u1ed5ng th\u01b0 vi\u1ec7n \u0111i\u1ec7n t\u1eed<\/h4>\n
2.3. Nguy\u00ean nh\u00e2n 3: \u0110\u1ed1i t\u01b0\u1ee3ng xem s\u00e1ch kh\u00f4ng thu\u1ed9c nh\u00f3m \u0111\u01b0\u1ee3c ph\u00e9p<\/h4>\n