本文整理自网络，侵删。

OCR 支持

查看本文档前，建议先阅读《小程序插件文档》体验工具小程序 —— 该插件完全使用此插件实现。该插件支持身份证识别，行驶证识别和银行卡识别。小程序码

申请权限

请在小程序后台搜索本插件（AppID=wx4418e3e031e551be）设置-第三方服务-添加插件

调用限制

来开放社区购买，appid内的额度在插件、API、服务市场是通用的

调用方式

app.json中增加声明引入插件 version选择最新的

  "pages": [],
  "plugins": {
    "ocr-plugin": {
      "version": "3.0.2",
      "provider": "wx4418e3e031e551be"
    }
  }
}

页面的json也要增加声明

{
  "usingComponents": {
    "ocr-navigator": "plugin://ocr-plugin/ocr-navigator"
  }
}

组件

对外暴露自定义组件，UI载体为button（可样式自定义）封装了

参数

属性名	类型	默认值	是否必填	说明
onSuccess	HandleEvent		是	接口调用成功的回调函数
certificateType	String	idCard	否	证书类型包含四种身份证：idCard、驾驶证：drivingLicense、银行卡：bankCard、营业执照：businessLicense

返回结果中image_path 是用户证件照片的临时地址，开发者可以通过image_path拿到用户的证件照片

以下具体说明四种证件类型的使用方法

1、身份证

certificateType='idCard' 或无certificateType这个参数

属性名	类型	默认值	是否必填	说明
onSuccess	HandleEvent		是	接口调用成功的回调函数
certificateType	String	idCard	否	证书类型包含四种身份证：idCard、驾驶证：drivingLicense、银行卡：bankCard、营业执照：businessLicense
opposite	Boolean	true	否	是否显示身份证的反面，默认为 true显示反面

onSuccess

参数 e.detail

参考身份证返回结果实例

示例代码1

    <ocr-navigator bind:onSuccess="success" certificateType="idCard" opposite="{{false}}">
      <button type="primary">身份证正面识别</button>
    </ocr-navigator>
    <ocr-navigator bind:onSuccess="success" certificateType="idCard" opposite="{{true}}">
      <button type="primary">身份证反面识别</button>
    </ocr-navigator>

/** wxss **/
/*自定义按钮样式*/
.ocr-wrapper {
  margin: 40rpx auto;
  width: 375rpx;
}
.intro {
  margin: 40rpx;
}

身份证返回结果实例

{"type":0,"name":{"text":"张三","pos":{"left_top":{"x":98.7780914307,"y":40.9823074341},"right_top":{"x":172.311325073,"y":41.2864379883},"right_bottom":{"x":172.190856934,"y":64.9047088623},"left_bottom":{"x":98.6072158813,"y":64.5630187988}},"label":[]},"gender":{"text":"男","pos":{"left_top":{"x":101.035919189,"y":80.7537384033},"right_top":{"x":121.421043396,"y":80.7818603516},"right_bottom":{"x":121.264938354,"y":101.272567749},"left_bottom":{"x":100.882026672,"y":101.244766235}},"label":[]},"nationality":{"text":"汉","pos":{"left_top":{"x":201.881393433,"y":81.7225189209},"right_top":{"x":222.004470825,"y":81.6959762573},"right_bottom":{"x":221.899169922,"y":101.255821228},"left_bottom":{"x":201.765304565,"y":101.291915894}},"label":[]},"address":{"text":"广州市天河区五山路483号xxxxxxxxx","pos":{"left_top":{"x":95.5787811279,"y":150.794250488},"right_top":{"x":310.358947754,"y":151.617507935},"right_bottom":{"x":310.004699707,"y":220.222885132},"left_bottom":{"x":95.1295013428,"y":219.552230835}},"label":[]},"id":{"text":"4452xxxxxxxxxxxx","pos":{"left_top":{"x":176.158676147,"y":244.072860718},"right_top":{"x":453.888336182,"y":244.978515625},"right_bottom":{"x":453.874603271,"y":266.313659668},"left_bottom":{"x":176.066543579,"y":265.342407227}},"label":[]},"card_position":{"pos":{"left_top":{"x":1085.625,"y":621.75},"right_top":{"x":338.125,"y":594.75},"right_bottom":{"x":303.625,"y":99.75},"left_bottom":{"x":1189.125,"y":126.75}},"label":[]},"image_width":1280,"image_height":960,"image_path":"http://tmp/wx4418e3e031e551be.o6zAJs-yC5ByIjnyyy09jKDZquXk.dlrc7P7WlhnGb4aca86b078fc2acb5b08e7a0f438943.jpg"}

2、银行卡

certificateType='bankCard'

属性名	类型	默认值	是否必填	说明
onSuccess	HandleEvent		是	接口调用成功的回调函数
certificateType	String	bankCard	是	证书类型包含四种身份证：idCard、驾驶证：drivingLicense、银行卡：bankCard、营业执照：businessLicense