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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | 24x 4x 24x 24x 7x 28x 28x 4x 24x 7x 7x 7x 7x 28x 17x 11x 11x 11x 7x 28x 7x 7x 7x 7x 7x | export default { props: { dataSource: [Array, Function, Object], dataSchema: { type: String, default: 'entity' }, textField: { type: String, default: 'text' }, valueField: { type: String, default: 'value' }, treeSelectTip: { type: String, default: '请绑定数据源或插入子节点' }, }, data() { return { currentDataSource: undefined, loading: false, }; }, watch: { dataSource() { this.handleData(); }, }, created() { this.handleData(); if (this.currentDataSource && this.currentDataSource.load) { this.load(); } }, methods: { handleData() { this.currentDataSource = this.normalizeDataSource(this.dataSource, this.multiple); }, normalizeDataSource(dataSource, multiple) { let final; if (dataSource === undefined) { final = { data: [], load: undefined, }; } else { final = this.currentDataSource || { data: [], load: undefined, }; } function createLoad(rawLoad) { return async function (params = {}) { const res = await rawLoad(params); if (Array.isArray(res)) { final.data = res; } else Eif (Array.isArray(res.list)) { final.data = res.list; } else if (res.content) { final.data = res.content; } else { final.data = res; } }; } if (Array.isArray(dataSource)) final.data = dataSource; else Iif (typeof dataSource === 'string') { try { return this.normalizeDataSource(JSON.parse(dataSource)); } catch (err) { console.error(err); } } else Iif (dataSource instanceof Object && dataSource.hasOwnProperty('list') && Array.isArray(dataSource.list)) { final.data = dataSource.list; } else if (typeof dataSource === 'function') final.load = createLoad(dataSource); return final; }, load(params) { this.$emit('before-load', undefined, this); this.loading = true; this.currentDataSource.load(params) .then(() => { this.$emit('load', undefined, this); }) .finally(() => { this.loading = false; }); }, reload() { // 数据源不是function的时候,调用reload会报错,进行容错处理 if (this.currentDataSource.load) this.load(); }, }, }; |