st=>start: Start e=>end: End op1=>operation: My Operation op2=>operation: Stuff|current sub1=>subroutine: My Subroutine cond=>condition: Yes or No? c2=>condition: Good idea io=>inputoutput: catch something...
st=>start: Start e=>end: End cond=>condition: Option op1=>operation: solution_1 op2=>operation: solution_2
st->cond cond(yes)->op1->e cond(no)->op2->e
示例三
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st=>start: Start e=>end: End cloud_type=>condition: server or domain? req_server=>operation: request server API req_domain=>operation: request domain API req_contact=>operation: requst contact API get_config=>operation: get config mk_dct=>operation: make cloud contact dict send_mail=>operation: send mail