Abstract: Java defines a set of operating system, hardware independent bytecode format, this bytecode is represented by Java Class file, Java Class file internally defines the virtual machine can recognize the bytecode format, this format is platform independent.

For mobile project development, the Ionic framework is used, which involves file uploading. File Selecting/Uploading/File Uploading/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/File Selecting/File Uploading/Files

On November 6, 2020, the General Office of the State Administration of Radio and Television issued the Circular of the General Office of the State Administration of Radio and Television on Printing and Issuing White Papers on the Application of Blockchain Technology. In order to actively promote the innovative application of blockchain technology in the television broadcasting and Internet audio-visual industries, SARFT has arranged to compile a series of white papers on the application of blockchain technology, including the overall part, the content review part and the county financial media center part.

After the first round of the Filecoin Space Race, the market continued to be enthusiastic, and a second round was on the way. The market continues to maintain the enthusiasm for distributed storage sector, some investors focus on mining machine related test data.

Project features local parsing of uploaded files {code... } parse the file object to get the file object, get the local URL path address {code... } Parse the file to get the XML object {code... } document object to string {code... Open the file with Notepa ++, convert it to UTF-8, and save it as a new file