项目初始化
npm i @dhx/trial-gantt loader-utils
gantt_tasks 表 - 指定甘特任务
gantt_links table - specifies the gantt dependency links
id - (string,number) the event id.
source - (number) the id of the source task.
target - (number) the id of the target task.
type - (string) the type of the dependency:
0 - 'finish_to_start'
1 - 'start_to_start'
2 - 'finish_to_finish'
3 - 'start_to_finish'
lag - (number) optional, task lag.
readonly - (boolean) optional, can mark link as readonly.
editable - (boolean) optional, can mark link as editable.