神思者 ·上节课我们在Swagger上面测试了Web方法，可以查询到报销分页数据。那么这节课咱们来写前端的JS代码，这样就能在VUE页面上看到报销分页数据了。
一、熟悉前端页面
报销管理栏目对应的页面是reim.vue，这个页面还是以表格为主，并且还包含了查询条件。其中部门列表的数据需要通过Ajax查询出来，所以大家可以看一下页面的init()函数。
我们先来看一下前端页面的表单中都放置了什么控件，标签如下：
<el-form :inline="true" :model="dataForm" :rules="dataRule" ref="dataForm">
<el-form-item prop="name">
<el-input
v-model="dataForm.name"
placeholder="姓名"
size="medium"
class="input"
clearable="clearable"
/>
</el-form-item>
<el-form-item>
<el-select
v-model="dataForm.deptId"
class="input"
placeholder="部门"
size="medium"
clearable="clearable"
>
<el-option v-for="one in deptList" :label="one.deptName" :value="one.id" />
</el-select>
</el-form-item>
<el-form-item>
<el-select
v-model="dataForm.typeId"
class="input"
placeholder="类型"
size="medium"
clearable="clearable"
>
<el-option label="普通报销" value="1" />
<el-option label="差旅报销" value="2" />
</el-select>
</el-form-item>
<el-form-item>
<el-select
v-model="dataForm.status"
class="input"
placeholder="状态"
size="medium"
clearable="clearable"
>
<el-option label="待审批" value="1" />
<el-option label="已否决" value="2" />
<el-option label="已同意" value="3" />
<el-option label="已归档" value="4" />
</el-select>
</el-form-item>
<el-form-item>
<el-date-picker
v-model="dataForm.date"
type="daterange"
range-separator="~"
start-placeholder="开始日期"
end-placeholder="结束日期"
size="medium"
></el-date-picker>
</el-form-item>
<el-form-item>
<el-button size="medium" type="primary" @click="searchHandle()">查询</el-button>
<el-button size="medium" type="primary" @click="addHandle()">新增</el-button>
</el-form-item>
</el-form>
页面中的表格标签稍微有些复杂，因为折叠面板中嵌套了表格。而且这个内嵌的表格使用DIV+CSS模拟的表格，这是为了避免用<table>标签，被强加上其他样式，导致排版错乱。
<el-table
:data="dataList"
border
v-loading="dataListLoading"
cell-style="padding: 4px 0"
style="width: 100%;"
size="medium"
>
<el-table-column
width="40px"
prop="content"
header-align="center"
align="center"
type="expand"
>
<template #default="scope">
<div class="reim-table">
<div class="row">
<div class="title">序号</div>
<div class="title">类别</div>
<div class="title">报销项目</div>
<div class="title">备注信息</div>
<div class="title">金额</div>
</div>
<div class="row" v-for="(one, $index) in scope.row.content">
<div class="col">{{ $index + 1 }}</div>
<div class="col">{{ one.type }}</div>
<div class="col">{{ one.title }}</div>
<div class="col">{{ one.desc }}</div>
<div class="col">￥{{ one.money }}</div>
</div>
</div>
</template>
</el-table-column>
<el-table-column
type="index"
header-align="center"
align="center"
width="100"
label="序号"
>
<template #default="scope">
<span>{{ (pageIndex - 1) * pageSize + scope.$index + 1 }}</span>
</template>
</el-table-column>
<el-table-column
prop="type"
header-align="center"
align="center"
label="报销类型"
min-width="150"
/>
<el-table-column
prop="name"
header-align="center"
align="center"
label="申请人"
min-width="150"
/>
<el-table-column
prop="deptName"
header-align="center"
align="center"
label="所属部门"
width="150"
/>
<el-table-column header-align="center" align="center" label="报销金额" min-width="120">
<template #default="scope">
<span>{{ scope.row.amount }}元</span>
</template>
</el-table-column>
<el-table-column header-align="center" align="center" label="借款金额" min-width="120">
<template #default="scope">
<span>{{ scope.row.anleihen }}元</span>
</template>
</el-table-column>
<el-table-column header-align="center" align="center" label="实际报销" min-width="120">
<template #default="scope">
<span>{{ scope.row.balance }}元</span>
</template>
</el-table-column>
<el-table-column
prop="status"
header-align="center"
align="center"
label="状态"
min-width="100"
/>
<el-table-column
prop="createTime"
header-align="center"
align="center"
label="申请日期"
width="150"
/>
<el-table-column header-align="center" align="center" min-width="150" label="操作">
<template #default="scope">
<el-button
type="text"
size="medium"
@click="pdfHandle(scope.row.id)">
报销单
</el-button>
<el-button
type="text"
size="medium"
:disabled="!(['待审批', '已否决'].includes(scope.row.status) && scope.row.mine == 'true')"
@click="deleteHandle(scope.row.id)"
>
删除
</el-button>
</template>
</el-table-column>
</el-table>
报销管理页面依旧保留了分页控件，所以一会儿我们要实现分页控件对应的两个回调函数。
<el-pagination
@size-change="sizeChangeHandle"
@current-change="currentChangeHandle"
:current-page="pageIndex"
:page-sizes="[10, 20, 50]"
:page-size="pageSize"
:total="totalCount"
layout="total, sizes, prev, pager, next, jumper"
></el-pagination>
接下来我们看一下reim.vue页面的模型层是怎么设计的。
data: function() {
return {
dataForm: {
name: null,
deptId: null,
status: null,
typeId: null,
date: null
},
deptList: [],
dataList: [],
pageIndex: 1,
pageSize: 10,
totalCount: 0,
dataListLoading: false,
dataRule: {
name: [
{
required: false,
pattern: '^[\u4e00-\u9fa5]{1,10}$',
message: '姓名格式错误'
}
]
},
addVisible: false,
pdfVisible: false
};
},
二、加载分页数据
还是老规矩，我们要写好封装查询分页数据的JS函数，然后在created()生命周期函数中调用一下。
loadDataList: function() {
let that = this;
that.dataListLoading = true;
let data = {
name: that.dataForm.name,
deptId: that.dataForm.deptId,
typeId: that.dataForm.typeId,
status: that.dataForm.status,
page: that.pageIndex,
length: that.pageSize
};
if (that.dataForm.date != null && that.dataForm.date.length == 2) {
let startDate = that.dataForm.date[0];
let endDate = that.dataForm.date[1];
data.startDate = dayjs(startDate).format('YYYY-MM-DD');
data.endDate = dayjs(endDate).format('YYYY-MM-DD');
}
that.$http('reim/searchReimByPage', 'POST', data, true, function(resp) {
let page = resp.page;
let status = {
1: '待审批',
2: '已否决',
3: '已通过',
4: '已归档'
};
let type = { 1: '普通报销', 2: '差旅报销' };
for (let one of page.list) {
one.status = status[one.status];
one.type = type[one.typeId];
one.content = JSON.parse(one.content);
}
that.dataList = page.list;
that.totalCount = page.totalCount;
that.dataListLoading = false;
});
},
created: function() {
this.loadDeptList();
this.loadDataList();
}
按照老规矩，页面上有分页控件，那么对应的两个回调函数咱们就必须要声明一下。
sizeChangeHandle: function(val) {
this.pageSize = val;
this.pageIndex = 1;
this.loadDataList();
},
currentChangeHandle: function(val) {
this.pageIndex = val;
this.loadDataList();
},
三、有条件查询数据
我们声明查询按钮点击事件对应的回调函数，写完这个函数大家就可以运行前后端项目，测试一下数据的查询和分页效果。
searchHandle: function() {
this.$refs['dataForm'].validate(valid => {
if (valid) {
this.$refs['dataForm'].clearValidate();
if (this.dataForm.name == '') {
this.dataForm.name = null;
}
if (this.pageIndex != 1) {
this.pageIndex = 1;
}
this.loadDataList();
} else {
return false;
}
});
},
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