Input method and keyboard for Chinese character of original complex form and simplified form coding

According to the radical and pattern, the composition of Chinese characters is sumed up into 89 character pieces, which are divided into 10 groups according to similar shape equal strokes properties of the character pieces with the Chinese charactor 1-10 and Arabic numerals 1 and 7, and represented with 0-9 ten numerals separately, the 89 character pieces represented by 10 numerals are assigned on the corresponding numeral keys and the character pieces assigned on the numeral key are correspondingly assigned on the alphabetic keys forming an oblique column with the numeral key. Said method features small number of character pieces, unique code taking and capable of coding with numeral key and alphabetic key simultaneously for a set of character pieces, the coincidence rate is low.