report ztest4. data:lv_json type string, lt_scarr type standard table of scarr. select * into table lt_scarr from scarr up to 2 rows. * 将内表转化为JSON lv_json = /ui2/cl_json=>serialize( data = lt_scarr ). cl_demo_output=>write( lv_json ). * 将JSON转化为n内表 clear lt_scarr. /ui2/cl_json=>deserialize( exporting json = lv_json changing data = lt_scarr ). cl_demo_output=>write( lt_scarr ). cl_demo_output=>display( ).