小程序直传oss

直传使用 

const host = '<host>';
const signature = '<signatureString>';
const ossAccessKeyId = '<accessKey>';
const policy = '<policyBase64Str>';
const key = '<object name>';
const securityToken = '<x-oss-security-token>'; 
const filePath = '<filePath>'; // 待上传文件的文件路径。
wx.uploadFile({url: host,filePath: filePath,name: 'file', // 必须填file。formData: {key,policy,OSSAccessKeyId: ossAccessKeyId,signature,// 'x-oss-security-token': securityToken // 使用STS签名时必传。},success: (res) => {if (res.statusCode === 204) {console.log('上传成功');}},fail: err => {console.log(err);}
});

分段上传大文件 无解