vue插件--仿微信小程序showModel实现模态提示窗功能

效果图：

下面是源码：

index.js

1. import Vue from 'vue';
2. import model from './model.vue';
3.  
4. export default {
5. install(Vue) {
6.  
7. const defaults = {
8. show: false,
9. mask: true,
10. title: '提示',
11. content: '这是正文',
12. confirmButton: true,
13. cancelButton: true,
14. confirmText: '确认',
15. cancelText: '取消',
16. cancelCallBack: () => {},
17. confirmCallBack: () => {}
18. };
19.  
20. const modelVueConstructor = Vue.extend(model);
21.  
22. Vue.prototype.$model = (options = {}) => {
23. if (Vue.prototype.$isServer) return;
24. options = Object.assign({}, defaults, options);
25. let parent = document.body ;
26. let instance = new modelVueConstructor({
27. el: document.createElement('div'),
28. data: options
29. });
30. parent.appendChild(instance.$el);
31.  
32. return instance;
33. };
34.  
35. },
36. };

model.vue

1. <template>
2. <div v-if="show" class="model-container">
3. <div class="model-main">
4. <div class="model-title">{{title}}</div>
5. <div class="model-content" v-html="content"></div>
6. <div class="model-buttons">
7. <button v-if="cancelButton" @click="cancelClick" class="button">{{cancelText}}</button>
8. <button v-if="confirmButton" @click="confirmClick" class="button confirm">{{confirmText}}</button>
9. </div>
10. </div>
11. <div v-show="mask" class="model-mask"></div>
12. </div>
13.  
14. </template>
15.  
16. <script type="text/babel">
17. export default {
18. data() {
19. return {
20. show: false,
21. mask: true,
22. title: '提示',
23. content: '这是正文',
24. confirmButton: true,
25. cancelButton: true,
26. confirmText: '确认',
27. cancelText: '取消',
28. cancelCallBack: () => {},
29. confirmCallBack: () => {}
30. };
31. },
32. methods: {
33. cancelClick(){
34. this.show = false;
35. this.cancelCallBack();
36. },
37. confirmClick(){
38. this.show = false;
39. this.confirmCallBack();
40. }
41. }
42. };
43. </script>
44. <style lang="less" scoped>
45. .model-container{
46. width: 100%;
47. height: 100vh;
48. position: fixed;
49. top: 0;
50. left: 0;
51. z-index: var(--model-index);
52. display: flex;
53. justify-content: center;
54. align-items: center;
55. .model-main{
56. position: relative;
57. z-index: 9;
58. width: 80%;
59. background-color: #ffffff;
60. border-radius: 10px;
61. overflow: hidden;
62. text-align: center;
63. .model-title{
64. font-size: 18px;
65. color: #333;
66. width: 100%;
67. padding: 18px;
68. font-weight: bold;
69. overflow: hidden;
70. white-space: nowrap;
71. text-overflow: ellipsis;
72. }
73. .model-content{
74. font-size: 16px;
75. color: #666;
76. padding: 10px;
77. padding-top: 0px;
78. padding-bottom: 20px;
79. }
80. .model-buttons{
81. width: 100%;
82. display: flex;
83. align-items: center;
84. .button{
85. flex: 1;
86. padding: 18px 10px;
87. overflow: hidden;
88. white-space: nowrap;
89. text-overflow: ellipsis;
90. font-size: 16px;
91. outline: none;
92. background-color: #ffffff;
93. border-top: 1px solid #f2f2f2;
94. border-right: 1px solid #f2f2f2;
95. &.confirm{
96. color: var(--theme);
97. font-weight: bold;
98. }
99. &:last-child{
100. border-right: 0;
101. }
102. &:active{
103. background-color: #f2f2f2;
104. }
105. }
106. }
107. }
108. .model-mask{
109. width: 100%;
110. height: 100%;
111. position: absolute;
112. top: 0;
113. left: 0;
114. z-index: 1;
115. background-color: rgba(0,0,0,0.45);
116. }
117. }
118. </style>

通过添加实例方法，把插件添加到vue.prototype上来实现。

在使用之前需要将插件挂载到Vue全局实例上：

main.js

1. import VueModel from './components/model/index.js';
2. Vue.use(VueModel);

完成上述条件后，就可以在你的vue项目中使用啦：

1. this.$model({
2. show: true,
3. title: "提示",
4. content: "提示内容",
5. cancelButton: true,
6. confirmCallBack: () => {
7. console.log("确认");
8. },
9. cancelCallBack: () => {
10. console.log("取消");
11. }
12. });

总结

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原文链接：https://blog.csdn.net/qq_41756580/article/details/108096793