add button

packages/button/CHANGELOG.md

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+## 0.0.2 (2017-01-20)
+
+* 改了bug A
+* 加了功能B
+
+## 0.0.1 (2017-01-10)
+
+* 第一版

packages/button/README.md

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+# @youzan/<%= name %>
+
+!!! 请在此处填写你的文档最简单描述 !!!
+
+[![version][version-image]][download-url]
+[![download][download-image]][download-url]
+
+[version-image]: http://npm.qima-inc.com/badge/v/@youzan/<%= name %>.svg?style=flat-square
+[download-image]: http://npm.qima-inc.com/badge/d/@youzan/<%= name %>.svg?style=flat-square
+[download-url]: http://npm.qima-inc.com/package/@youzan/<%= name %>
+
+## Demo
+
+## Usage
+
+## API
+
+| 参数       | 说明      | 类型       | 默认值       | 可选值       |
+|-----------|-----------|-----------|-------------|-------------|
+| className | 自定义额外类名 | string  | ''          | ''          |
+
+
+
+
+## License
+[MIT](https://opensource.org/licenses/MIT)

packages/button/index.js

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+import Button from './src/button';
+
+export default Button;

packages/button/index.pcss

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+@import "./src/button.pcss";

packages/button/package.json

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+{
+  "name": "@youzan/o2-button",
+  "version": "0.0.1",
+  "description": "button component",
+  "main": "./lib/index.js",
+  "author": "niunai",
+  "license": "MIT",
+  "devDependencies": {},
+  "dependencies": {}
+}

packages/button/src/button.pcss

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+@import "../../zenui/src/common/var.pcss";
+
+@component-namespace o2 {
+  @component button {
+    position: relative;
+    display: block;
+    height: 45px;
+    border-radius: 4px;
+    border: 0;
+    box-sizing: border-box;
+    font-size: 16px;
+    text-align: center;
+    appearance: none;
+    outline: 0;
+    overflow: hidden;
+
+    &::after {
+      content: " ";
+      position: absolute 0 0 0 0;
+      background-color: #000;
+      opacity: 0;
+    }
+
+    &:not(.is-disabled):active::after {
+      opacity: .3;
+    }
+
+    @modifier default {
+      color: $button-default-color;
+      background-color: $button-default-background-color;
+    }
+
+    @modifier primary {
+      color: $button-primary-color;
+      background-color: $button-primary-background-color;
+    }
+
+    @modifier danger {
+      color: $button-danger-color;
+      background-color: $button-danger-background-color;
+    }
+
+    @modifier large {
+      display: block;
+      width: 100%;
+    }
+
+    @modifier normal {
+      display: inline-block;
+      padding: 0 12px;
+    }
+
+    @modifier small {
+      display: inline-block;
+      font-size: 14px;
+      padding: 0 12px;
+      height: 33px;
+    }
+
+    @when disabled {
+      opacity: .6;
+    }
+  }
+}

packages/button/src/button.vue

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+<template>
+  <button
+    :type="nativeType"
+    :class="[
+      'o2-button',
+      'o2-button--' + type,
+      'o2-button--' + size,
+      {
+        'is-disabled': disabled,
+        'is-loading': loading
+      }
+    ]"
+    :disabled="disabled"
+    @click="handleClick"
+  >
+    <i v-if="loading" class="o2-icon-loading"></i>
+    <span class="o2-button-text"><slot></slot></span>
+  </button>
+</template>
+
+<script>
+/**
+ * o2-header
+ * @module components/button
+ * @desc 按钮
+ * @param {string} [type=default] - 显示类型，接受 default, primary, danger
+ * @param {boolean} [disabled=false] - 禁用
+ * @param {string} [size=normal] - 尺寸，接受 normal, mini, small, large
+ * @param {string} [native-type] - 原生 type 属性
+ * @param {slot} - 显示文本
+ *
+ * @example
+ * <o2-button size="large" type="primary">按钮</o2-button>
+ */
+export default {
+  name: 'o2-button',
+
+  methods: {
+    handleClick(e) {
+      this.$emit('click', e);
+    }
+  },
+
+  props: {
+    disabled: Boolean,
+    loading: Boolean,
+    nativeType: String,
+    type: {
+      type: String,
+      default: 'default',
+      validator(value) {
+        return [
+          'default',
+          'danger',
+          'primary'
+        ].indexOf(value) > -1;
+      }
+    },
+    size: {
+      type: String,
+      default: 'normal',
+      validator(value) {
+        return [
+          'mini',
+          'small',
+          'normal',
+          'large'
+        ].indexOf(value) > -1;
+      }
+    }
+  }
+};
+</script>