作者:迷途羔羊1989_751 | 来源:互联网 | 2023-09-04 09:34
list[i].bookCover=data:image/png;base64,+list[i].bookCover;console.log(list[i].
list[i].bookCover = "data:image/png;base64," +list[i].bookCover;
console.log(list[i].bookCover) ;
}
if(list==null){
var toastText="获取数据失败"+res.data.strMsg;
wx.showToast({
title: toastText,
icon:'',
duration:6000
});
} else {
that.setData({
list:list
})
}
}
})
wxml:
src="{{item.bookCover}}" class="card-left">
{{item.bookDesc}}
后端实现:
try {
InputStream inputStream = blob.getBinaryStream();
ByteArrayOutputStream output = new ByteArrayOutputStream();
byte[] buffer = new byte[100];
int n = 0;
while (-1 != (n = inputStream.read(buffer))) {
output.write(buffer, 0, n);
}
Base64.Encoder encoder = Base64.getEncoder();
result=encoder.encodeToString(output.toByteArray());
output.close();
} catch (SQLException | IOException e) {
e.printStackTrace();
}