SpringBoot+Vue（2）

Vue的学习,iView。

iView是一套基于Vue.js的开源UI组件库在使用前，我们需要将它导入项目，步骤就不多说了。

几个重点部分：项目中常用到的Form表单，

<template>
    <Form ref="formValidate" :model="formValidate" :rules="ruleValidate" :label-width="80">
        <FormItem label="Name" prop="name">
            <Input v-model="formValidate.name" placeholder="Enter your name"></Input>
        </FormItem>
        <FormItem label="E-mail" prop="mail">
            <Input v-model="formValidate.mail" placeholder="Enter your e-mail"></Input>
        </FormItem>
        <FormItem label="City" prop="city">
            <Select v-model="formValidate.city" placeholder="Select your city">
                <Option value="beijing">New York</Option>
                <Option value="shanghai">London</Option>
                <Option value="shenzhen">Sydney</Option>
            </Select>
        </FormItem>
        <FormItem label="Date">
            <Row>
                <Col span="11">
                    <FormItem prop="date">
                        <DatePicker type="date" placeholder="Select date" v-model="formValidate.date"></DatePicker>
                    </FormItem>
                </Col>
                <Col span="2" style="text-align: center">-</Col>
                <Col span="11">
                    <FormItem prop="time">
                        <TimePicker type="time" placeholder="Select time" v-model="formValidate.time"></TimePicker>
                    </FormItem>
                </Col>
            </Row>
        </FormItem>
        <FormItem label="Gender" prop="gender">
            <RadioGroup v-model="formValidate.gender">
                <Radio label="male">Male</Radio>
                <Radio label="female">Female</Radio>
            </RadioGroup>
        </FormItem>
        <FormItem label="Hobby" prop="interest">
            <CheckboxGroup v-model="formValidate.interest">
                <Checkbox label="Eat"></Checkbox>
                <Checkbox label="Sleep"></Checkbox>
                <Checkbox label="Run"></Checkbox>
                <Checkbox label="Movie"></Checkbox>
            </CheckboxGroup>
        </FormItem>
        <FormItem label="Desc" prop="desc">
            <Input v-model="formValidate.desc" type="textarea" :autosize="{minRows: 2,maxRows: 5}" placeholder="Enter something..."></Input>
        </FormItem>
        <FormItem>
            <Button type="primary" @click="handleSubmit('formValidate')">Submit</Button>
            <Button @click="handleReset('formValidate')" style="margin-left: 8px">Reset</Button>
        </FormItem>
    </Form>
</template>
<script>
    export default {
        data () {
            return {
                formValidate: {
                    name: '',
                    mail: '',
                    city: '',
                    gender: '',
                    interest: [],
                    date: '',
                    time: '',
                    desc: ''
                },
                ruleValidate: {
                    name: [
                        { required: true, message: 'The name cannot be empty', trigger: 'blur' }
                    ],
                    mail: [
                        { required: true, message: 'Mailbox cannot be empty', trigger: 'blur' },
                        { type: 'email', message: 'Incorrect email format', trigger: 'blur' }
                    ],
                    city: [
                        { required: true, message: 'Please select the city', trigger: 'change' }
                    ],
                    gender: [
                        { required: true, message: 'Please select gender', trigger: 'change' }
                    ],
                    interest: [
                        { required: true, type: 'array', min: 1, message: 'Choose at least one hobby', trigger: 'change' },
                        { type: 'array', max: 2, message: 'Choose two hobbies at best', trigger: 'change' }
                    ],
                    date: [
                        { required: true, type: 'date', message: 'Please select the date', trigger: 'change' }
                    ],
                    time: [
                        { required: true, type: 'string', message: 'Please select time', trigger: 'change' }
                    ],
                    desc: [
                        { required: true, message: 'Please enter a personal introduction', trigger: 'blur' },
                        { type: 'string', min: 20, message: 'Introduce no less than 20 words', trigger: 'blur' }
                    ]
                }
            }
        },
        methods: {
            handleSubmit (name) {
                this.$refs[name].validate((valid) => {
                    if (valid) {
                        this.$Message.success('Success!');
                    } else {
                        this.$Message.error('Fail!');
                    }
                })
            },
            handleReset (name) {
                this.$refs[name].resetFields();
            }
        }
    }
</script>

以一段代码为例，Form表单的最重要的作用，就是需要将数据返回给后台并进行处理，

其中的model属性是指表单的数据对象，对象的具体成员，需要在下面的data()中定义，

rules属性是指表单的验证规则，比如每个对象成员的数据类型，长度，是否必填等等，

FormItem中的prop属性是指对应表单域 model 里的字段，label则是标签的文本。

同时,v-model则是双向数据绑定，提交数据与数据回显都十分的方便。

 

另一个重要的部分则是Table了，在后台将数据返回给前端时，需要用到Table来将数据显示在前端页面。

<template>
    <Table border :columns="columns7" :data="data6"></Table>
</template>
<script>
    export default {
        data () {
            return {
                columns7: [
                    {
                        title: 'Name',
                        key: 'name',
                    },
                    {
                        title: 'Age',
                        key: 'age'
                    },
                    {
                        title: 'Address',
                        key: 'address'
                    },
                    {
                        title: 'Action',
                        key: 'action',
                        width: 150,
                        align: 'center',
                        render: (h, params) => {
                            return h('div', [
                                h('Button', {
                                    props: {
                                        type: 'primary',
                                        size: 'small'
                                    },
                                    style: {
                                        marginRight: '5px'
                                    },
                                    on: {
                                        click: () => {
                                            this.show(params.index)
                                        }
                                    }
                                }, 'View'),
                                h('Button', {
                                    props: {
                                        type: 'error',
                                        size: 'small'
                                    },
                                    on: {
                                        click: () => {
                                            this.remove(params.index)
                                        }
                                    }
                                }, 'Delete')
                            ]);
                        }
                    }
                ],
                data6: [
                    {
                        name: 'John Brown',
                        age: 18,
                        address: 'New York No. 1 Lake Park'
                    },
                ]
            }
        },
        methods: {
            show (index) {
                this.$Modal.info({
                    title: 'User Info',
                    content: `Name：${this.data6[index].name}<br>Age：${this.data6[index].age}<br>Address：${this.data6[index].address}`
                })
            },
            remove (index) {
                this.data6.splice(index, 1);
            }
        }
    }
</script>

同样的，我们以一段代码来看。

border属性指的的是否显示纵向边框，

columns指的是表格列的配置描述，

data指的是显示的结构化数据，

而具体的表格的表头内容需要在data()中定义，而表格所显示的数据源，也需要在data()中定义。其中一个重要的特性则是render函数。

render 函数传入两个参数，第一个是 h，第二个是对象，包含 row、column 和 index，分别指当前单元格数据，当前列数据，当前是第几行。