//?將樹數(shù)據(jù)轉(zhuǎn)換一維數(shù)組

????treeDataToCompressed(source)?{? //?source樹形數(shù)據(jù)

??????for?(const?i?in?source)?{

????????this.res.push(source[i]);

????????source[i].children?&&?source[i].children.length?>?0

????????????this.treeDataToCompressed(source[i].children)

??????????:?"";?//?子級遞歸

??????}

??????return?this.res;

????},

// 樹形數(shù)據(jù)獲取一維數(shù)組的ID集合

?flatten(array?=?[])?{

??????//?console.log(array)

??????return?[].concat(

????????...array.map(item?=>

??????????[].concat(item.id,?this.flatten(item.children?||?[]))

????????)

??????);

????},