公告管理系统 - Vue组件
<template>
<div>
<div>
<el-input style='width: 200px' placeholder='查询标题' v-model='title'></el-input>
<el-button type='primary' style='margin-left: 10px' @click='load(1)'>查询</el-button>
<el-button type='info' @click='reset'>重置</el-button>
</div>
<div style='margin: 10px 0'>
<el-button type='primary' plain @click='handleAdd'>新增</el-button>
<el-button type='danger' plain @click='delBatch'>批量删除</el-button>
</div>
<el-table :data='tableData' stripe :header-cell-style='{ backgroundColor: 'aliceblue', color: '#666' }' @selection-change='handleSelectionChange'>
<el-table-column type='selection' width='55' align='center'></el-table-column>
<el-table-column prop='id' label='序号' width='70' align='center'></el-table-column>
<el-table-column prop='title' label='标题'></el-table-column>
<el-table-column prop='content' label='内容' show-overflow-tooltip></el-table-column>
<el-table-column prop='user' label='发布人'></el-table-column>
<el-table-column prop='time' label='发布时间'></el-table-column>
<el-table-column label='是否公开'>
<template v-slot='scope'>
<el-switch v-model='scope.row.open' @change='changeOpen(scope.row)'></el-switch>
</template>
</el-table-column>
<el-table-column label='操作' align='center' width='180'>
<template v-slot='scope'>
<el-button size='mini' type='primary' plain @click='handleEdit(scope.row)'>编辑</el-button>
<el-button size='mini' type='danger' plain @click='del(scope.row.id)'>删除</el-button>
</template>
</el-table-column>
</el-table>
<pre><code><div style='margin: 10px 0'>
<el-pagination
@current-change='handleCurrentChange'
:current-page='pageNum'
:page-size='pageSize'
layout='total, prev, pager, next'
:total='total'>
</el-pagination>
</div>
<el-dialog title='公告信息' :visible.sync='fromVisible' width='40%' :close-on-click-modal='false'>
<el-form :model='form' label-width='80px' style='padding-right: 20px' :rules='rules' ref='formRef'>
<el-form-item label='标题' prop='title'>
<el-input v-model='form.title' placeholder='标题'></el-input>
</el-form-item>
<el-form-item label='内容' prop='content'>
<el-input type='textarea' v-model='form.content' placeholder='内容'></el-input>
</el-form-item>
</el-form>
<div slot='footer' class='dialog-footer'>
<el-button @click='fromVisible = false'>取 消</el-button>
<el-button type='primary' @click='save'>确 定</el-button>
</div>
</el-dialog>
</code></pre>
</div>
</template>
<script>
export default {
name: 'Notice',
data() {
return {
tableData: [], // 所有的数据
pageNum: 1, // 当前的页码
pageSize: 5, // 每页显示的个数
username: '',
title: '',
total: 0,
fromVisible: false,
form: {},
user: JSON.parse(localStorage.getItem('text-user') || '{}'),
rules: {
title: [
{ required: true, message: '请输入标题', trigger: 'blur' },
],
content: [
{ required: true, message: '请输入内容', trigger: 'blur' },
]
},
ids: [],
content: '',
}
},
created() {
this.load()
},
methods: {
// changeOpen(form) {
// // 调用更新的接口 更新数据到数据库
// this.form = JSON.parse(JSON.stringify(form))
// this.sendSaveRequest() // 直接发请求就可以了
// },
delBatch() {
if (!this.ids.length) {
this.$message.warning('请选择数据')
return
}
this.$confirm('您确认批量删除这些数据吗？', '确认删除', {type: 'warning'}).then(response => {
this.$request.delete('/notice/delete/batch', { data: this.ids }).then(res => {
if (res.code === '200') { // 表示操作成功
this.$message.success('操作成功')
this.load(1)
} else {
this.$message.error(res.msg) // 弹出错误的信息
}
})
}).catch(() => {})
},
handleSelectionChange(rows) { // 当前选中的所有的行数据
this.ids = rows.map(v => v.id)
},
del(id) {
this.$confirm('您确认删除吗？', '确认删除', {type: 'warning'}).then(response => {
this.$request.delete('/notice/delete/' + id).then(res => {
if (res.code === '200') { // 表示操作成功
this.$message.success('操作成功')
this.load(1)
} else {
this.$message.error(res.msg) // 弹出错误的信息
}
})
}).catch(() => {})
},
handleEdit(row) { // 编辑数据
this.form = JSON.parse(JSON.stringify(row)) // 给form对象赋值 注意要深拷贝数据
this.fromVisible = true // 打开弹窗
},
handleAdd() { // 新增数据
this.form = {} // 新增数据的时候清空数据
this.fromVisible = true // 打开弹窗
},
save() { // 保存按钮触发的逻辑 它会触发新增或者更新
this.$refs.formRef.validate((valid) => {
if (valid) {
this.sendSaveRequest()
}
})
},
sendSaveRequest() {
this.$request({
url: this.form.id ? '/notice/update': '/notice/add',
method: this.form.id ? 'PUT' : 'POST',
data: this.form
}).then(res => {
if (res.code === '200') { // 表示成功保存
this.$message.success('保存成功')
this.load(1)
this.fromVisible = false
} else {
this.$message.error(res.msg) // 弹出错误的信息
}
})
},
reset() {
this.title = ''
this.load()
},
load(pageNum) { // 分页查询
if (pageNum) this.pageNum = pageNum
this.$request.get('/notice/selectByPage', {
params: {
pageNum: this.pageNum,
pageSize: this.pageSize,
title: this.title
}
}).then(res => {
this.tableData = res.data.records
this.total = res.data.total
})
},
handleCurrentChange(pageNum) {
this.load(pageNum)
},
}
}
</script>
<style>
.el-tooltip__popper{ max-width:300px !important; }
</style>
<p>有关报500错误的问题，可能是由于后端接口的问题导致的。请确保后端接口正确配置，并能够处理和响应add请求。另外，还可以检查前端发送的add请求的参数是否正确，并确保请求的数据格式和后端接口的要求相匹配。如果问题仍然存在，请查看后端的日志文件以获取更多关于报500错误的详细信息，以便进一步排查和解决问题。</p>
原文地址: http://www.cveoy.top/t/topic/pkAn 著作权归作者所有。请勿转载和采集!