[{"title":"( 6 个子文件 4KB ) 数据库开发综合案例 - 图书管理系统设计","children":[{"title":"step2","children":[{"title":"step2.sql <span style='color:#111;'> 360B </span>","children":null,"spread":false},{"title":"test.sh <span style='color:#111;'> 266B </span>","children":null,"spread":false}],"spread":true},{"title":"step3","children":[{"title":"test.sh <span style='color:#111;'> 1000B </span>","children":null,"spread":false},{"title":"step3.sql <span style='color:#111;'> 1.03KB </span>","children":null,"spread":false}],"spread":true},{"title":"step1","children":[{"title":"step1.sql <span style='color:#111;'> 401B </span>","children":null,"spread":false},{"title":"test.sh <span style='color:#111;'> 265B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]