只有部分城市和路线可以用，具体可以在微信里的小程序里可以查看，符合条件的就可以用微信支付。步骤如下：
1、打开微信，在发现里找到小程序这个按钮。
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2、进入之后，搜索腾讯乘车码，然后点击进入。
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3、进入之后，定位目前所处的城市和地方，点击查看已支持城市。
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4、然后就可以查看开放的城市列表了。
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https://iknow-pic.cdn.bcebos.com/bf096b63f6246b60c34ae999e0f81a4c500fa293"/>
5、以青岛为例，点击这个城市，进入，找到乘车码并开启。
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6、然后在弹出的框框中确认授权。
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7、最后，就开通成功了。
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