Select 下拉选择框

规则

基础示例

const rule = {
    type: "select",
    field: "cate_id",
    title: "产品分类",
    value: ["104","105"],
    options: [
        {"value": "104", "label": "生态蔬菜", "disabled": false},
        {"value": "105", "label": "新鲜水果", "disabled": false},
     ],
    props: {
        multiple: true
    },
}

Props 配置示例

单选下拉框

const rule = {
    type: "select",
    field: "category",
    title: "商品分类",
    value: "104",
    options: [
        {"value": "104", "label": "生态蔬菜"},
        {"value": "105", "label": "新鲜水果"},
        {"value": "106", "label": "海鲜水产"},
    ],
    props: {
        placeholder: "请选择商品分类",
        clearable: true,
    },
}

多选下拉框

const rule = {
    type: "select",
    field: "tags",
    title: "商品标签",
    value: ["104","105"],
    options: [
        {"value": "104", "label": "热销"},
        {"value": "105", "label": "新品"},
        {"value": "106", "label": "推荐"},
    ],
    props: {
        multiple: true,
        max: 3,
        placeholder: "请选择标签",
    },
}

可搜索下拉框

const rule = {
    type: "select",
    field: "product",
    title: "商品名称",
    options: [
        {"value": "1", "label": "iPhone 15 Pro"},
        {"value": "2", "label": "MacBook Pro"},
        {"value": "3", "label": "iPad Air"},
    ],
    props: {
        filterable: true,
        placeholder: "请输入或选择商品",
        clearable: true,
    },
}

远程搜索

const rule = {
    type: "select",
    field: "user",
    title: "选择用户",
    options: [],
    props: {
        filterable: true,
        placeholder: "请输入用户名搜索",
        clearable: true,
        loading: false,
    },
    inject: true,
    on: {
        search: ($inject, value) => {
            if (value) {
                // 调用远程搜索接口
                searchUsers(value).then(res => {
                    // 更新选项
                    $inject.api.updateRule('user', {
                        options: res.data.map(item => ({
                            value: item.id,
                            label: item.name
                        }))
                    });
                });
            }
        },
    },
}

Events 事件示例

监听选择变化

const rule = {
    type: "select",
    field: "category",
    title: "商品分类",
    options: [
        {"value": "104", "label": "生态蔬菜"},
        {"value": "105", "label": "新鲜水果"},
    ],
    props: {
        placeholder: "请选择分类",
        clearable: true,
    },
    on: {
        change: (value, option) => {
            console.log('选择值改变:', value, option);
        },
        clear: () => {
            console.log('清空选择');
        },
    },
}

选择后联动更新其他字段

const rule = [
    {
        type: "select",
        field: "category",
        title: "商品分类",
        options: [
            {"value": "1", "label": "电子产品"},
            {"value": "2", "label": "服装配饰"},
        ],
        props: {
            placeholder: "请选择分类",
        },
        inject: true,
        on: {
            change: ($inject, value) => {
                // 根据分类加载对应的子分类
                if (value === "1") {
                    $inject.api.updateRule('subcategory', {
                        options: [
                            {"value": "11", "label": "手机"},
                            {"value": "12", "label": "电脑"},
                        ]
                    });
                } else if (value === "2") {
                    $inject.api.updateRule('subcategory', {
                        options: [
                            {"value": "21", "label": "男装"},
                            {"value": "22", "label": "女装"},
                        ]
                    });
                }
            },
        },
    },
    {
        type: "select",
        field: "subcategory",
        title: "子分类",
        options: [],
        props: {
            placeholder: "请先选择分类",
            disabled: true,
        },
    },
]

完整配置项:TDesign_Select