Character encoding minutes

Mind mapping is summarized from this article

Supplement the corresponding relationship of four bytes

The following description sources
With utf-8 The characters are encoded as follows ：

1. Determine the number of octets required for character numbering and the first column of the above table . It is important to note that the rows of the table are mutually exclusive , That is, there is only one effective way to encode a given character .
2. Prepare the column of the higher-order bit table of octets according to the second .
3. Fill the mark from the bits of the character number x Bit , Expressed in binary . First place the octet of the character number sequence at the last certain position of the lowest order , Then put down the next higher-order bit the word symbol in the next higher-order position of the octet , When the last octet of X Bit fill , Go ahead next to the last octet ,

Source of figure below , Fang Yinghang's answer