3.上一页和下一页处理
这个对比第一页需要加入特殊的处理,当前是第一页,这个按钮就不可用状态,下一页一样的逻辑判断当前是不是在最后一页:

调用位置加入事件,在加一个是否可用的类名:

全部代码:
<template>
<div class="DiReactPage">
<div class="DiReactPage-btn" v-on:click="clickFirst">第一页</div>
<div class="DiReactPage-btn" v-on:click="clickPrev" v-bind:class="{disable:currentpage==1}">上一页</div>
<div class="DiReactPage-page">
<span v-for="(item,index) in pages" v-bind:class="{active:currentpage==item}" v-on:click="clickCurrent(item)">{{item}}</span>
</div>
<div class="DiReactPage-btn" v-on:click="clickNext" v-bind:class="{disable:currentpage==allpage}">下一页</div>
<div class="DiReactPage-btn" v-on:click="clickLast">最后一页</div>
<div class="DiReactPage-btn">总4页</div>
<input class="DiReactPage-input" type="text" />
<button class="DiReactPage-btn">跳转</button>
</div>
</template>
<script>
export default {
name: 'divuePage',
computed:{
pages:function(){
var arr=[];
if(this.allpage>5){
if(this.currentpage+5>this.allpage){
for(var i=this.currentpage;i<=this.allpage;i++){
arr.push(i);
};
}else{
for(var i=this.currentpage;i<this.currentpage+5;i++){
arr.push(i);
};
};
}else{
for(var i=1;i<=this.allpage;i++){
arr.push(i);
};
}
return arr;
}
},
props:["currentpage","allpage"],
methods:{
clickFirst:function(){//点击第一页
this.$emit("getajaxlist",1);
},
clickCurrent:function(item){
this.$emit("getajaxlist",item);
},
clickLast:function(){//点击最后一页
this.$emit("getajaxlist",this.allpage);
},
clickPrev:function(){//点击上一页
if(this.currentpage-1<1){
return false;
}
this.$emit("getajaxlist",this.currentpage-1);
},
clickNext:function(){//点击下一页
if(this.currentpage+1>this.allpage){
return false;
}
this.$emit("getajaxlist",this.currentpage+1);
}
}
}
</script>
<style>
.DiReactPage{ height:30px; line-height:30px; text-align:center;}
.DiReactPage .DiReactPage-btn{ display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; border-radius:4px; background:#09F; cursor:pointer;}
.DiReactPage .DiReactPage-btn.disable{ background:#999;cursor:not-allowed;}
.DiReactPage .DiReactPage-page{ display:inline-block; height:30px; line-height:30px; margin:0 20px;}
.DiReactPage .DiReactPage-page span{display:inline-block; height:30px; line-height:30px; padding:0 5px; margin:0 5px; color:#000; cursor:pointer;}
.DiReactPage .DiReactPage-page span.active{ color:#09F; }
.DiReactPage .iReactPage-input{ width:100px; border:1px solid #666; border-radius:4px;height:30px; line-height:30px; }
</style>
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