<template>
  <button
    class="el-button"
    v-otherRender
    @click="handleClick"
    :disabled="buttonDisabled || loading"
    :autofocus="autofocus"
    :type="nativeType"
    :class="[
      type ? 'el-button--' + type : '',
      buttonSize ? 'el-button--' + buttonSize : '',
      {
        'is-disabled': buttonDisabled,
        'is-loading': loading,
        'is-plain': plain,
        'is-round': round,
        'is-circle': circle
      }
    ]"
  >
    <i class="el-icon-loading" v-if="loading"></i>
    <i :class="icon" v-if="icon && !loading"></i>
     <v-render v-if="otherRender && !scicon && !icon" :render="otherRender"></v-render>
    <span v-if="$slots.default"><slot></slot></span>
  </button>
</template>
<script>
  export default {
    name: 'ElButton',
    data(){
      return{
        otherRender:null
      }
    },
    inject: {
      elForm: {
        default: ''
      },
      elFormItem: {
        default: ''
      }
    },

    props: {
      type: {
        type: String,
        default: 'default'
      },
      size: String,
      icon: {
        type: String,
        default: ''
      },
      nativeType: {
        type: String,
        default: 'button'
      },
      loading: Boolean,
      disabled: Boolean,
      plain: Boolean,
      autofocus: Boolean,
      round: Boolean,
      circle: Boolean
    },
    components:{
        vRender: {
           function: true,
           props:{
               render:Funtions
           },
          render(h,ctx){
             if(ctx.props.render){
                 return ctx.props.render(h)
             }
          }
        }

    },
    computed: {
      _elFormItemSize() {
        return (this.elFormItem || {}).elFormItemSize;
      },
      buttonSize() {
        return this.size || this._elFormItemSize || (this.$ELEMENT || {}).size;
      },
      buttonDisabled() {
        return this.disabled || (this.elForm || {}).disabled;
      }
    },

    methods: {
      handleClick(evt) {
        this.$emit('click', evt);
      }
    }
  };
</script>

var AllBrnName=[
  {
    text:"新增类",
    class:'sc_blue_btn',
    icon:"icon  iconfont  saveIcon",
    type:"add",
  },
  {
    text:"修改类",
    class:'sc_blue_btn',
    icon:"icon  iconfont  editIcon",
    type:"edit",
  },
  {
    text:"删除类",
    class:'sc_blue_btn',
    icon:"icon  iconfont  delIcon",
    type:"delete",
  },
  {
    text:"保存类",
    class:'sc_blue_btn',
    icon:"icon  iconfont saveIcon",
    type:"save",
  },

  {
    text:"查询类",
    class:'sc_blue_btn',
    icon:"icon  iconfont  searchIcon",
    type:"save",
  },

  {
    text:"重置类",
    class:'sc_blue_btn',
    icon:"icon  iconfont resetIcon",
    type:"save",
  },

]

import '@/components/common/js/otherRender.js'
Vue.directive('otherRender',{
  inserted:function (el,name,vm) {
    var  icon='';
    var  vClass='';
    var  type=vm.context.type;
    AllBrnName:forEach(function (item) {
      if(type.indexOf(item.type)!=-1){
        vClass=item.class;
        icon=item.icon;
      }
    });
    var  className=el.getAttribute('class').split('');
    className.push(vClass)
    el.setAttribute('class',className.jion(''));
    //添加图标
    vm.context.otherRender=function (h) {
      return h('i',{
        class:icon
      })
    }
  }
})

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  store,
  components: { App },
  template: '<App/>'
})

<el-button size="mini" icon="addIcon" > 新增</el-button>

.addIcon{
  background: url("../img/iconImg/add.png") center no-repeat;
  background-size: cover;
}
.addIcon:before{
  content: "替";
  font-size: 14px;
  visibility: hidden;
}

//如果直接使用字体图片
//直接在before属性设置对应的content就行
.el-icon-my-export{
  font-size: 16px;
}
.el-icon-my-export:before{
  content: "\e611";
}
 
content里面使用汉字大小会比较正常，但是汉字有时候会出现乱码，可以使用Unicode编码
 
//编码后的的替为 \u66ff
//书写到css里面的时候需要去掉u
.el-icon-my-export:before{
  content: "\66ff";
  font-size: 16px;
  visibility: hidden;
}