options.vue
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<template>
<div v-if="showSizer || showElevator" :class="optsClasses">
<div v-if="showSizer" :class="sizerClasses">
<select v-model="pageSize" @change="changeSize">
<option :value="item" v-for="item in pageSizeOpts">{{ item }} 条/页</option>
</select>
</div>
<div v-if="showElevator" :class="ElevatorClasses">
跳至
<input type="text" :value="_current" @keyup.enter="changePage">
页
</div>
</div>
</template>
<script>
const prefixCls = 'ivu-page';
function isValueNumber (value) {
return (/^[1-9][0-9]*$/).test(value + '');
}
export default {
props: {
pageSizeOpts: Array,
showSizer: Boolean,
showElevator: Boolean,
current: Number,
_current: Number,
pageSize: Number,
allPages: Number
},
computed: {
optsClasses () {
return [
`${prefixCls}-options`
]
},
sizerClasses () {
return [
`${prefixCls}-options-sizer`
]
},
ElevatorClasses () {
return [
`${prefixCls}-options-elevator`
]
}
},
methods: {
changeSize () {
this.$emit('on-size', this.pageSize);
},
changePage (event) {
let val = event.target.value.trim();
let page = 0;
if (isValueNumber(val)) {
val = Number(val);
if (val != this.current) {
const allPages = this.allPages;
if (val > allPages) {
page = allPages;
} else {
page = val;
}
}
} else {
page = 1;
}
if (page) {
this.$emit('on-page', page);
event.target.value = page;
}
}
}
}
</script>