anji-checkbox.vue
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<template>
<el-checkbox-group v-model="selectValue" class="filter-item" @change="change">
<el-checkbox
v-for="item in options"
:key="item.id"
:label="item.id"
:disabled="disabled"
>{{ item.text }}</el-checkbox
>
</el-checkbox-group>
</template>
<script>
import request from "@/utils/request";
export default {
props: {
dictCode: null, // 当传入dictCode时，可以不用传递url
url: null,
value: null,
placeholder: null,
label: {
type: String,
default: "text"
},
option: {
type: String,
default: "id"
},
multiple: null,
localOptions: null,
disabled: null,
clearable: {
type: Boolean,
default: true
},
collapseTags: {
type: Boolean,
default: false
}
},
data() {
return {
options: null,
selectValue: []
};
},
computed: {
// 根据dictCode和url拼出最终的请求url
requestUrl() {
if (this.url != null && this.url.trim() != "") {
return this.url;
}
if (this.dictCode != null && this.dictCode.trim() != "") {
return `/tms/gaeaDict/select/${this.dictCode}`;
}
return null;
}
},
watch: {
value: function(val, oldVal) {
this.echoCheckboxValue(val);
}
},
mounted() {
this.echoCheckboxValue(this.value);
if (this.requestUrl == null) {
this.options = this.localOptions;
return;
}
this.queryData();
},
methods: {
change(value) {
const strValue = value.join(",");
if (value === "") {
value = null;
}
this.$emit("input", strValue);
this.$emit("change", strValue, this.options);
},
// 从本地localStorage取 gaeaDict
getOptionsFromLocalStorage() {
let dicts = JSON.parse(localStorage.getItem("AJReportDict"));
let options = [];
if (!dicts.hasOwnProperty(this.dictCode)) {
return [];
}
let dictItems = dicts[this.dictCode];
for (let i = 0; i < dictItems.length; i++) {
let dictItem = dictItems[i];
options.push({ id: dictItem.id.toString(), text: dictItem.text });
}
return options;
},
queryData() {
// 所有从本地localStorage取，因为在App.vue中已经请求远程保存到本地了
let options = this.getOptionsFromLocalStorage();
if (this.isNotBlank(options)) {
this.options = options;
return;
}
// 本地localStorage取不到，再从远程接口取
if (this.requestUrl == null) {
return;
}
request({
url: this.requestUrl,
params: {
multiple: this.multiple == null ? null : 1
}
}).then(response => {
this.options = response.data;
});
},
// 回显
echoCheckboxValue(val) {
if (!val) {
this.selectValue = [];
} else {
const arr = val.split(",");
this.selectValue = arr;
}
}
}
};
</script>